Home / 3,693.38-5,540.90-1,229.99

Finding the Fourth Proportional to 3,693.38, 5,540.90 and 1,229.99

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Solution

The fourth proportional to 3,693.38, 5,540.90 and 1,229.99 is: 1,845.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,693.38 : 5,540.90 = 1,229.99 : x
  2. Step 2: Convert to fraction form
    3,693.38/5,540.90 = 1,229.99/x
  3. Step 3: Cross multiply
    3,693.38x = 5,540.90 × 1,229.99
  4. Step 4: Simplify right side
    3,693.38x = 6,815,217.74
  5. Step 5: Solve for x
    x = 6,815,217.74/3,693.38
  6. Step 6: Final answer
    x = 1,845.25

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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.