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Finding the Fourth Proportional to 3,761.02, 5,190.02 and 2,082.38

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Solution

The fourth proportional to 3,761.02, 5,190.02 and 2,082.38 is: 2,873.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761.02 : 5,190.02 = 2,082.38 : x
  2. Step 2: Convert to fraction form
    3,761.02/5,190.02 = 2,082.38/x
  3. Step 3: Cross multiply
    3,761.02x = 5,190.02 × 2,082.38
  4. Step 4: Simplify right side
    3,761.02x = 10,807,593.85
  5. Step 5: Solve for x
    x = 10,807,593.85/3,761.02
  6. Step 6: Final answer
    x = 2,873.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.