Home / 1,457.28-2,186.10-591.39

Finding the Fourth Proportional to 1,457.28, 2,186.10 and 591.39

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Solution

The fourth proportional to 1,457.28, 2,186.10 and 591.39 is: 887.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,457.28 : 2,186.10 = 591.39 : x
  2. Step 2: Convert to fraction form
    1,457.28/2,186.10 = 591.39/x
  3. Step 3: Cross multiply
    1,457.28x = 2,186.10 × 591.39
  4. Step 4: Simplify right side
    1,457.28x = 1,292,837.68
  5. Step 5: Solve for x
    x = 1,292,837.68/1,457.28
  6. Step 6: Final answer
    x = 887.16

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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.