Home / 3,942.49-5,910.52-1,475.92

Finding the Fourth Proportional to 3,942.49, 5,910.52 and 1,475.92

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Solution

The fourth proportional to 3,942.49, 5,910.52 and 1,475.92 is: 2,212.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.49 : 5,910.52 = 1,475.92 : x
  2. Step 2: Convert to fraction form
    3,942.49/5,910.52 = 1,475.92/x
  3. Step 3: Cross multiply
    3,942.49x = 5,910.52 × 1,475.92
  4. Step 4: Simplify right side
    3,942.49x = 8,723,469.45
  5. Step 5: Solve for x
    x = 8,723,469.45/3,942.49
  6. Step 6: Final answer
    x = 2,212.68

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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.