Home / 3,082.38-4,253.26-1,755.83

Finding the Fourth Proportional to 3,082.38, 4,253.26 and 1,755.83

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Solution

The fourth proportional to 3,082.38, 4,253.26 and 1,755.83 is: 2,422.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,082.38 : 4,253.26 = 1,755.83 : x
  2. Step 2: Convert to fraction form
    3,082.38/4,253.26 = 1,755.83/x
  3. Step 3: Cross multiply
    3,082.38x = 4,253.26 × 1,755.83
  4. Step 4: Simplify right side
    3,082.38x = 7,467,987.12
  5. Step 5: Solve for x
    x = 7,467,987.12/3,082.38
  6. Step 6: Final answer
    x = 2,422.80

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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.