Home / 3,158.92-4,743.24-2,815.48

Finding the Fourth Proportional to 3,158.92, 4,743.24 and 2,815.48

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Solution

The fourth proportional to 3,158.92, 4,743.24 and 2,815.48 is: 4,227.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.92 : 4,743.24 = 2,815.48 : x
  2. Step 2: Convert to fraction form
    3,158.92/4,743.24 = 2,815.48/x
  3. Step 3: Cross multiply
    3,158.92x = 4,743.24 × 2,815.48
  4. Step 4: Simplify right side
    3,158.92x = 13,354,497.36
  5. Step 5: Solve for x
    x = 13,354,497.36/3,158.92
  6. Step 6: Final answer
    x = 4,227.55

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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.