Home / 1,632.18-2,449.20-658.97

Finding the Fourth Proportional to 1,632.18, 2,449.20 and 658.97

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Solution

The fourth proportional to 1,632.18, 2,449.20 and 658.97 is: 988.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.18 : 2,449.20 = 658.97 : x
  2. Step 2: Convert to fraction form
    1,632.18/2,449.20 = 658.97/x
  3. Step 3: Cross multiply
    1,632.18x = 2,449.20 × 658.97
  4. Step 4: Simplify right side
    1,632.18x = 1,613,948.73
  5. Step 5: Solve for x
    x = 1,613,948.73/1,632.18
  6. Step 6: Final answer
    x = 988.83

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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.