Home / 3,727.26-5,591.70-1,387.98

Finding the Fourth Proportional to 3,727.26, 5,591.70 and 1,387.98

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Solution

The fourth proportional to 3,727.26, 5,591.70 and 1,387.98 is: 2,082.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,727.26 : 5,591.70 = 1,387.98 : x
  2. Step 2: Convert to fraction form
    3,727.26/5,591.70 = 1,387.98/x
  3. Step 3: Cross multiply
    3,727.26x = 5,591.70 × 1,387.98
  4. Step 4: Simplify right side
    3,727.26x = 7,761,167.77
  5. Step 5: Solve for x
    x = 7,761,167.77/3,727.26
  6. Step 6: Final answer
    x = 2,082.27

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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.