Home / 3,819.03-5,727.62-1,478.27

Finding the Fourth Proportional to 3,819.03, 5,727.62 and 1,478.27

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Solution

The fourth proportional to 3,819.03, 5,727.62 and 1,478.27 is: 2,217.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.03 : 5,727.62 = 1,478.27 : x
  2. Step 2: Convert to fraction form
    3,819.03/5,727.62 = 1,478.27/x
  3. Step 3: Cross multiply
    3,819.03x = 5,727.62 × 1,478.27
  4. Step 4: Simplify right side
    3,819.03x = 8,466,932.79
  5. Step 5: Solve for x
    x = 8,466,932.79/3,819.03
  6. Step 6: Final answer
    x = 2,217.04

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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.