Home / 3,819.57-5,729.36-1,354.65

Finding the Fourth Proportional to 3,819.57, 5,729.36 and 1,354.65

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Solution

The fourth proportional to 3,819.57, 5,729.36 and 1,354.65 is: 2,031.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.57 : 5,729.36 = 1,354.65 : x
  2. Step 2: Convert to fraction form
    3,819.57/5,729.36 = 1,354.65/x
  3. Step 3: Cross multiply
    3,819.57x = 5,729.36 × 1,354.65
  4. Step 4: Simplify right side
    3,819.57x = 7,761,270.75
  5. Step 5: Solve for x
    x = 7,761,270.75/3,819.57
  6. Step 6: Final answer
    x = 2,031.98

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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.