Home / 3,742.25-5,610.11-1,432.13

Finding the Fourth Proportional to 3,742.25, 5,610.11 and 1,432.13

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Solution

The fourth proportional to 3,742.25, 5,610.11 and 1,432.13 is: 2,146.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.25 : 5,610.11 = 1,432.13 : x
  2. Step 2: Convert to fraction form
    3,742.25/5,610.11 = 1,432.13/x
  3. Step 3: Cross multiply
    3,742.25x = 5,610.11 × 1,432.13
  4. Step 4: Simplify right side
    3,742.25x = 8,034,371.62
  5. Step 5: Solve for x
    x = 8,034,371.62/3,742.25
  6. Step 6: Final answer
    x = 2,146.94

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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.