Home / 2,248.29-3,102.66-1,253.61

Finding the Fourth Proportional to 2,248.29, 3,102.66 and 1,253.61

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Solution

The fourth proportional to 2,248.29, 3,102.66 and 1,253.61 is: 1,729.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,248.29 : 3,102.66 = 1,253.61 : x
  2. Step 2: Convert to fraction form
    2,248.29/3,102.66 = 1,253.61/x
  3. Step 3: Cross multiply
    2,248.29x = 3,102.66 × 1,253.61
  4. Step 4: Simplify right side
    2,248.29x = 3,889,525.60
  5. Step 5: Solve for x
    x = 3,889,525.60/2,248.29
  6. Step 6: Final answer
    x = 1,729.99

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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.