Home / 2,318.83-3,478.68-932.27

Finding the Fourth Proportional to 2,318.83, 3,478.68 and 932.27

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Solution

The fourth proportional to 2,318.83, 3,478.68 and 932.27 is: 1,398.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.83 : 3,478.68 = 932.27 : x
  2. Step 2: Convert to fraction form
    2,318.83/3,478.68 = 932.27/x
  3. Step 3: Cross multiply
    2,318.83x = 3,478.68 × 932.27
  4. Step 4: Simplify right side
    2,318.83x = 3,243,073.35
  5. Step 5: Solve for x
    x = 3,243,073.35/2,318.83
  6. Step 6: Final answer
    x = 1,398.58

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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.