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Finding the Fourth Proportional to 4,801.98, 7,202.98 and 1,879.90

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Solution

The fourth proportional to 4,801.98, 7,202.98 and 1,879.90 is: 2,819.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,801.98 : 7,202.98 = 1,879.90 : x
  2. Step 2: Convert to fraction form
    4,801.98/7,202.98 = 1,879.90/x
  3. Step 3: Cross multiply
    4,801.98x = 7,202.98 × 1,879.90
  4. Step 4: Simplify right side
    4,801.98x = 13,540,882.10
  5. Step 5: Solve for x
    x = 13,540,882.10/4,801.98
  6. Step 6: Final answer
    x = 2,819.85

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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.