Home / 2,548.52-3,822.78-1,250.90

Finding the Fourth Proportional to 2,548.52, 3,822.78 and 1,250.90

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Solution

The fourth proportional to 2,548.52, 3,822.78 and 1,250.90 is: 1,876.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,548.52 : 3,822.78 = 1,250.90 : x
  2. Step 2: Convert to fraction form
    2,548.52/3,822.78 = 1,250.90/x
  3. Step 3: Cross multiply
    2,548.52x = 3,822.78 × 1,250.90
  4. Step 4: Simplify right side
    2,548.52x = 4,781,915.50
  5. Step 5: Solve for x
    x = 4,781,915.50/2,548.52
  6. Step 6: Final answer
    x = 1,876.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.