Home / 3,147.52-4,721.92-1,096.96

Finding the Fourth Proportional to 3,147.52, 4,721.92 and 1,096.96

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Solution

The fourth proportional to 3,147.52, 4,721.92 and 1,096.96 is: 1,645.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147.52 : 4,721.92 = 1,096.96 : x
  2. Step 2: Convert to fraction form
    3,147.52/4,721.92 = 1,096.96/x
  3. Step 3: Cross multiply
    3,147.52x = 4,721.92 × 1,096.96
  4. Step 4: Simplify right side
    3,147.52x = 5,179,757.36
  5. Step 5: Solve for x
    x = 5,179,757.36/3,147.52
  6. Step 6: Final answer
    x = 1,645.66

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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.