Home / 3,241.20-4,862.30-932.70

Finding the Fourth Proportional to 3,241.20, 4,862.30 and 932.70

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Solution

The fourth proportional to 3,241.20, 4,862.30 and 932.70 is: 1,399.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,241.20 : 4,862.30 = 932.70 : x
  2. Step 2: Convert to fraction form
    3,241.20/4,862.30 = 932.70/x
  3. Step 3: Cross multiply
    3,241.20x = 4,862.30 × 932.70
  4. Step 4: Simplify right side
    3,241.20x = 4,535,067.21
  5. Step 5: Solve for x
    x = 4,535,067.21/3,241.20
  6. Step 6: Final answer
    x = 1,399.19

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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.