Home / 2,248.35-3,102.61-1,253.61

Finding the Fourth Proportional to 2,248.35, 3,102.61 and 1,253.61

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Solution

The fourth proportional to 2,248.35, 3,102.61 and 1,253.61 is: 1,729.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,248.35 : 3,102.61 = 1,253.61 : x
  2. Step 2: Convert to fraction form
    2,248.35/3,102.61 = 1,253.61/x
  3. Step 3: Cross multiply
    2,248.35x = 3,102.61 × 1,253.61
  4. Step 4: Simplify right side
    2,248.35x = 3,889,448.90
  5. Step 5: Solve for x
    x = 3,889,448.90/2,248.35
  6. Step 6: Final answer
    x = 1,729.91

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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.