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Finding the Fourth Proportional to 2,873.32, 3,957.24 and 2,725

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Solution

The fourth proportional to 2,873.32, 3,957.24 and 2,725 is: 3,752.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,873.32 : 3,957.24 = 2,725 : x
  2. Step 2: Convert to fraction form
    2,873.32/3,957.24 = 2,725/x
  3. Step 3: Cross multiply
    2,873.32x = 3,957.24 × 2,725
  4. Step 4: Simplify right side
    2,873.32x = 10,783,479
  5. Step 5: Solve for x
    x = 10,783,479/2,873.32
  6. Step 6: Final answer
    x = 3,752.97

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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.