Home / 1,372.07-2,057.48-591.70

Finding the Fourth Proportional to 1,372.07, 2,057.48 and 591.70

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Solution

The fourth proportional to 1,372.07, 2,057.48 and 591.70 is: 887.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372.07 : 2,057.48 = 591.70 : x
  2. Step 2: Convert to fraction form
    1,372.07/2,057.48 = 591.70/x
  3. Step 3: Cross multiply
    1,372.07x = 2,057.48 × 591.70
  4. Step 4: Simplify right side
    1,372.07x = 1,217,402.81
  5. Step 5: Solve for x
    x = 1,217,402.81/1,372.07
  6. Step 6: Final answer
    x = 887.28

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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.