Home / 3,819.27-5,727.77-1,150.75

Finding the Fourth Proportional to 3,819.27, 5,727.77 and 1,150.75

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Solution

The fourth proportional to 3,819.27, 5,727.77 and 1,150.75 is: 1,725.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.27 : 5,727.77 = 1,150.75 : x
  2. Step 2: Convert to fraction form
    3,819.27/5,727.77 = 1,150.75/x
  3. Step 3: Cross multiply
    3,819.27x = 5,727.77 × 1,150.75
  4. Step 4: Simplify right side
    3,819.27x = 6,591,211.30
  5. Step 5: Solve for x
    x = 6,591,211.30/3,819.27
  6. Step 6: Final answer
    x = 1,725.78

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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.