Home / 3,609.60-5,418.24-3,425.28

Finding the Fourth Proportional to 3,609.60, 5,418.24 and 3,425.28

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Solution

The fourth proportional to 3,609.60, 5,418.24 and 3,425.28 is: 5,141.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.60 : 5,418.24 = 3,425.28 : x
  2. Step 2: Convert to fraction form
    3,609.60/5,418.24 = 3,425.28/x
  3. Step 3: Cross multiply
    3,609.60x = 5,418.24 × 3,425.28
  4. Step 4: Simplify right side
    3,609.60x = 18,558,989.11
  5. Step 5: Solve for x
    x = 18,558,989.11/3,609.60
  6. Step 6: Final answer
    x = 5,141.56

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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.