Home / 2,247.11-3,101.13-1,252.49

Finding the Fourth Proportional to 2,247.11, 3,101.13 and 1,252.49

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Solution

The fourth proportional to 2,247.11, 3,101.13 and 1,252.49 is: 1,728.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.11 : 3,101.13 = 1,252.49 : x
  2. Step 2: Convert to fraction form
    2,247.11/3,101.13 = 1,252.49/x
  3. Step 3: Cross multiply
    2,247.11x = 3,101.13 × 1,252.49
  4. Step 4: Simplify right side
    2,247.11x = 3,884,134.31
  5. Step 5: Solve for x
    x = 3,884,134.31/2,247.11
  6. Step 6: Final answer
    x = 1,728.50

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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.