Home / 2,747.12-3,787.56-2,304.05

Finding the Fourth Proportional to 2,747.12, 3,787.56 and 2,304.05

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Solution

The fourth proportional to 2,747.12, 3,787.56 and 2,304.05 is: 3,176.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747.12 : 3,787.56 = 2,304.05 : x
  2. Step 2: Convert to fraction form
    2,747.12/3,787.56 = 2,304.05/x
  3. Step 3: Cross multiply
    2,747.12x = 3,787.56 × 2,304.05
  4. Step 4: Simplify right side
    2,747.12x = 8,726,708.68
  5. Step 5: Solve for x
    x = 8,726,708.68/2,747.12
  6. Step 6: Final answer
    x = 3,176.68

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1.5x scale

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.