Home / 2,247.92-3,102.06-1,253.14

Finding the Fourth Proportional to 2,247.92, 3,102.06 and 1,253.14

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Solution

The fourth proportional to 2,247.92, 3,102.06 and 1,253.14 is: 1,729.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.92 : 3,102.06 = 1,253.14 : x
  2. Step 2: Convert to fraction form
    2,247.92/3,102.06 = 1,253.14/x
  3. Step 3: Cross multiply
    2,247.92x = 3,102.06 × 1,253.14
  4. Step 4: Simplify right side
    2,247.92x = 3,887,315.47
  5. Step 5: Solve for x
    x = 3,887,315.47/2,247.92
  6. Step 6: Final answer
    x = 1,729.29

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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.