Home / 3,489.38-5,232.96-1,148.86

Finding the Fourth Proportional to 3,489.38, 5,232.96 and 1,148.86

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Solution

The fourth proportional to 3,489.38, 5,232.96 and 1,148.86 is: 1,722.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489.38 : 5,232.96 = 1,148.86 : x
  2. Step 2: Convert to fraction form
    3,489.38/5,232.96 = 1,148.86/x
  3. Step 3: Cross multiply
    3,489.38x = 5,232.96 × 1,148.86
  4. Step 4: Simplify right side
    3,489.38x = 6,011,938.43
  5. Step 5: Solve for x
    x = 6,011,938.43/3,489.38
  6. Step 6: Final answer
    x = 1,722.92

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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.