Home / 3,691.44-5,531.90-1,839.92

Finding the Fourth Proportional to 3,691.44, 5,531.90 and 1,839.92

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Solution

The fourth proportional to 3,691.44, 5,531.90 and 1,839.92 is: 2,757.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.44 : 5,531.90 = 1,839.92 : x
  2. Step 2: Convert to fraction form
    3,691.44/5,531.90 = 1,839.92/x
  3. Step 3: Cross multiply
    3,691.44x = 5,531.90 × 1,839.92
  4. Step 4: Simplify right side
    3,691.44x = 10,178,216.59
  5. Step 5: Solve for x
    x = 10,178,216.59/3,691.44
  6. Step 6: Final answer
    x = 2,757.25

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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.