Finding the Fourth Proportional to 1,457.28, 2,186 and 591.84
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Solution
The fourth proportional to 1,457.28, 2,186 and 591.84 is: 887.79
Step by Step Solution
- Step 1: Write the proportion equation
1,457.28 : 2,186 = 591.84 : x - Step 2: Convert to fraction form
1,457.28/2,186 = 591.84/x - Step 3: Cross multiply
1,457.28x = 2,186 × 591.84 - Step 4: Simplify right side
1,457.28x = 1,293,762.24 - Step 5: Solve for x
x = 1,293,762.24/1,457.28 - Step 6: Final answer
x = 887.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.