Home / 3,819.20-5,270.13-2,226.02

Finding the Fourth Proportional to 3,819.20, 5,270.13 and 2,226.02

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Solution

The fourth proportional to 3,819.20, 5,270.13 and 2,226.02 is: 3,071.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.20 : 5,270.13 = 2,226.02 : x
  2. Step 2: Convert to fraction form
    3,819.20/5,270.13 = 2,226.02/x
  3. Step 3: Cross multiply
    3,819.20x = 5,270.13 × 2,226.02
  4. Step 4: Simplify right side
    3,819.20x = 11,731,414.78
  5. Step 5: Solve for x
    x = 11,731,414.78/3,819.20
  6. Step 6: Final answer
    x = 3,071.69

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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.