Home / 2,620.14-3,932.38-1,082.22

Finding the Fourth Proportional to 2,620.14, 3,932.38 and 1,082.22

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Solution

The fourth proportional to 2,620.14, 3,932.38 and 1,082.22 is: 1,624.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620.14 : 3,932.38 = 1,082.22 : x
  2. Step 2: Convert to fraction form
    2,620.14/3,932.38 = 1,082.22/x
  3. Step 3: Cross multiply
    2,620.14x = 3,932.38 × 1,082.22
  4. Step 4: Simplify right side
    2,620.14x = 4,255,700.28
  5. Step 5: Solve for x
    x = 4,255,700.28/2,620.14
  6. Step 6: Final answer
    x = 1,624.23

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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.