Home / 3,815.28-5,258.92-2,694.43

Finding the Fourth Proportional to 3,815.28, 5,258.92 and 2,694.43

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Solution

The fourth proportional to 3,815.28, 5,258.92 and 2,694.43 is: 3,713.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.28 : 5,258.92 = 2,694.43 : x
  2. Step 2: Convert to fraction form
    3,815.28/5,258.92 = 2,694.43/x
  3. Step 3: Cross multiply
    3,815.28x = 5,258.92 × 2,694.43
  4. Step 4: Simplify right side
    3,815.28x = 14,169,791.82
  5. Step 5: Solve for x
    x = 14,169,791.82/3,815.28
  6. Step 6: Final answer
    x = 3,713.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.