Home / 2,252.27-3,108.01-1,257.61

Finding the Fourth Proportional to 2,252.27, 3,108.01 and 1,257.61

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Solution

The fourth proportional to 2,252.27, 3,108.01 and 1,257.61 is: 1,735.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.27 : 3,108.01 = 1,257.61 : x
  2. Step 2: Convert to fraction form
    2,252.27/3,108.01 = 1,257.61/x
  3. Step 3: Cross multiply
    2,252.27x = 3,108.01 × 1,257.61
  4. Step 4: Simplify right side
    2,252.27x = 3,908,658.17
  5. Step 5: Solve for x
    x = 3,908,658.17/2,252.27
  6. Step 6: Final answer
    x = 1,735.43

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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.