Home / 3,787.97-5,227.26-2,109.44

Finding the Fourth Proportional to 3,787.97, 5,227.26 and 2,109.44

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Solution

The fourth proportional to 3,787.97, 5,227.26 and 2,109.44 is: 2,910.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.97 : 5,227.26 = 2,109.44 : x
  2. Step 2: Convert to fraction form
    3,787.97/5,227.26 = 2,109.44/x
  3. Step 3: Cross multiply
    3,787.97x = 5,227.26 × 2,109.44
  4. Step 4: Simplify right side
    3,787.97x = 11,026,565.20
  5. Step 5: Solve for x
    x = 11,026,565.20/3,787.97
  6. Step 6: Final answer
    x = 2,910.95

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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.