Home / 3,819.02-5,717.18-2,082.38

Finding the Fourth Proportional to 3,819.02, 5,717.18 and 2,082.38

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Solution

The fourth proportional to 3,819.02, 5,717.18 and 2,082.38 is: 3,117.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.02 : 5,717.18 = 2,082.38 : x
  2. Step 2: Convert to fraction form
    3,819.02/5,717.18 = 2,082.38/x
  3. Step 3: Cross multiply
    3,819.02x = 5,717.18 × 2,082.38
  4. Step 4: Simplify right side
    3,819.02x = 11,905,317.91
  5. Step 5: Solve for x
    x = 11,905,317.91/3,819.02
  6. Step 6: Final answer
    x = 3,117.38

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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.