Déclinaison / Conjugueur latin
| SINGULIER |
| Nom. | proportionalis |
| Gen. | proportionalis |
| Dat. | proportionali |
| Acc. | proportionalem |
| Abl. | proportionali |
| Voc. | proportionalis |
| PLURIEL |
| Nom. | proportionales |
| Gen. | proportionalĭum |
| Dat. | proportionalĭbus |
| Acc. | proportionales |
| Abl. | proportionalĭbus |
| Voc. | proportionales |
| SINGULIER |
| Nom. | proportionalis |
| Gen. | proportionalis |
| Dat. | proportionali |
| Acc. | proportionalem |
| Abl. | proportionali |
| Voc. | proportionalis |
| PLURIEL |
| Nom. | proportionales |
| Gen. | proportionalĭum |
| Dat. | proportionalĭbus |
| Acc. | proportionales |
| Abl. | proportionalĭbus |
| Voc. | proportionales |
| SINGULIER |
| Nom. | proportionale |
| Gen. | proportionalis |
| Dat. | proportionali |
| Acc. | proportionale |
| Abl. | proportionali |
| Voc. | proportionale |
| PLURIEL |
| Nom. | proportionalĭa |
| Gen. | proportionalĭum |
| Dat. | proportionalĭbus |
| Acc. | proportionalĭa |
| Abl. | proportionalĭbus | |