Home / 2,248.20-3,102.14-1,253.26

Finding the Fourth Proportional to 2,248.20, 3,102.14 and 1,253.26

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Solution

The fourth proportional to 2,248.20, 3,102.14 and 1,253.26 is: 1,729.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,248.20 : 3,102.14 = 1,253.26 : x
  2. Step 2: Convert to fraction form
    2,248.20/3,102.14 = 1,253.26/x
  3. Step 3: Cross multiply
    2,248.20x = 3,102.14 × 1,253.26
  4. Step 4: Simplify right side
    2,248.20x = 3,887,787.98
  5. Step 5: Solve for x
    x = 3,887,787.98/2,248.20
  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.