If the question is how much Cody will jog to save ratio 4miles:3 miles
The ratio is [tex] \frac{3}{4} [/tex]
We can just multiply 1 miles by ratio to see how much Cody will jog, so
[tex]1* \frac{3}{4} =\frac{3}{4}[/tex] miles
The result is [tex] \frac{3}{4} [/tex] miles