Home / 3,742.88-5,167.19-2,251.13

Finding the Fourth Proportional to 3,742.88, 5,167.19 and 2,251.13

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Solution

The fourth proportional to 3,742.88, 5,167.19 and 2,251.13 is: 3,107.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.88 : 5,167.19 = 2,251.13 : x
  2. Step 2: Convert to fraction form
    3,742.88/5,167.19 = 2,251.13/x
  3. Step 3: Cross multiply
    3,742.88x = 5,167.19 × 2,251.13
  4. Step 4: Simplify right side
    3,742.88x = 11,631,996.22
  5. Step 5: Solve for x
    x = 11,631,996.22/3,742.88
  6. Step 6: Final answer
    x = 3,107.77

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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.