Home / 3,819.93-5,729.90-1,354.61

Finding the Fourth Proportional to 3,819.93, 5,729.90 and 1,354.61

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Solution

The fourth proportional to 3,819.93, 5,729.90 and 1,354.61 is: 2,031.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.93 : 5,729.90 = 1,354.61 : x
  2. Step 2: Convert to fraction form
    3,819.93/5,729.90 = 1,354.61/x
  3. Step 3: Cross multiply
    3,819.93x = 5,729.90 × 1,354.61
  4. Step 4: Simplify right side
    3,819.93x = 7,761,744.42
  5. Step 5: Solve for x
    x = 7,761,744.42/3,819.93
  6. Step 6: Final answer
    x = 2,031.91

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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.