Home / 3,819.82-5,731.38-1,481.44

Finding the Fourth Proportional to 3,819.82, 5,731.38 and 1,481.44

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Solution

The fourth proportional to 3,819.82, 5,731.38 and 1,481.44 is: 2,222.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.82 : 5,731.38 = 1,481.44 : x
  2. Step 2: Convert to fraction form
    3,819.82/5,731.38 = 1,481.44/x
  3. Step 3: Cross multiply
    3,819.82x = 5,731.38 × 1,481.44
  4. Step 4: Simplify right side
    3,819.82x = 8,490,695.59
  5. Step 5: Solve for x
    x = 8,490,695.59/3,819.82
  6. Step 6: Final answer
    x = 2,222.80

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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.