Home / 3,819.38-5,720.96-2,175.08

Finding the Fourth Proportional to 3,819.38, 5,720.96 and 2,175.08

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Solution

The fourth proportional to 3,819.38, 5,720.96 and 2,175.08 is: 3,258.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.38 : 5,720.96 = 2,175.08 : x
  2. Step 2: Convert to fraction form
    3,819.38/5,720.96 = 2,175.08/x
  3. Step 3: Cross multiply
    3,819.38x = 5,720.96 × 2,175.08
  4. Step 4: Simplify right side
    3,819.38x = 12,443,545.68
  5. Step 5: Solve for x
    x = 12,443,545.68/3,819.38
  6. Step 6: Final answer
    x = 3,258.00

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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.