Home / 2,553.20-3,824.40-2,279.60

Finding the Fourth Proportional to 2,553.20, 3,824.40 and 2,279.60

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Solution

The fourth proportional to 2,553.20, 3,824.40 and 2,279.60 is: 3,414.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,553.20 : 3,824.40 = 2,279.60 : x
  2. Step 2: Convert to fraction form
    2,553.20/3,824.40 = 2,279.60/x
  3. Step 3: Cross multiply
    2,553.20x = 3,824.40 × 2,279.60
  4. Step 4: Simplify right side
    2,553.20x = 8,718,102.24
  5. Step 5: Solve for x
    x = 8,718,102.24/2,553.20
  6. Step 6: Final answer
    x = 3,414.58

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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.