Home / 3,844.80-5,306.10-2,251.92

Finding the Fourth Proportional to 3,844.80, 5,306.10 and 2,251.92

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Solution

The fourth proportional to 3,844.80, 5,306.10 and 2,251.92 is: 3,107.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,844.80 : 5,306.10 = 2,251.92 : x
  2. Step 2: Convert to fraction form
    3,844.80/5,306.10 = 2,251.92/x
  3. Step 3: Cross multiply
    3,844.80x = 5,306.10 × 2,251.92
  4. Step 4: Simplify right side
    3,844.80x = 11,948,912.71
  5. Step 5: Solve for x
    x = 11,948,912.71/3,844.80
  6. Step 6: Final answer
    x = 3,107.81

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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.