Home / 3,761.53-5,190.84-2,082.90

Finding the Fourth Proportional to 3,761.53, 5,190.84 and 2,082.90

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Solution

The fourth proportional to 3,761.53, 5,190.84 and 2,082.90 is: 2,874.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761.53 : 5,190.84 = 2,082.90 : x
  2. Step 2: Convert to fraction form
    3,761.53/5,190.84 = 2,082.90/x
  3. Step 3: Cross multiply
    3,761.53x = 5,190.84 × 2,082.90
  4. Step 4: Simplify right side
    3,761.53x = 10,811,982.39
  5. Step 5: Solve for x
    x = 10,811,982.39/3,761.53
  6. Step 6: Final answer
    x = 2,874.36

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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.