Home / 2,247.59-3,101.70-1,252.97

Finding the Fourth Proportional to 2,247.59, 3,101.70 and 1,252.97

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Solution

The fourth proportional to 2,247.59, 3,101.70 and 1,252.97 is: 1,729.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.59 : 3,101.70 = 1,252.97 : x
  2. Step 2: Convert to fraction form
    2,247.59/3,101.70 = 1,252.97/x
  3. Step 3: Cross multiply
    2,247.59x = 3,101.70 × 1,252.97
  4. Step 4: Simplify right side
    2,247.59x = 3,886,337.05
  5. Step 5: Solve for x
    x = 3,886,337.05/2,247.59
  6. Step 6: Final answer
    x = 1,729.11

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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.