Home / 3,819.96-5,729.33-1,481.03

Finding the Fourth Proportional to 3,819.96, 5,729.33 and 1,481.03

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Solution

The fourth proportional to 3,819.96, 5,729.33 and 1,481.03 is: 2,221.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.96 : 5,729.33 = 1,481.03 : x
  2. Step 2: Convert to fraction form
    3,819.96/5,729.33 = 1,481.03/x
  3. Step 3: Cross multiply
    3,819.96x = 5,729.33 × 1,481.03
  4. Step 4: Simplify right side
    3,819.96x = 8,485,338.38
  5. Step 5: Solve for x
    x = 8,485,338.38/3,819.96
  6. Step 6: Final answer
    x = 2,221.32

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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.