Home / 2,679.73-4,022.19-1,294.04

Finding the Fourth Proportional to 2,679.73, 4,022.19 and 1,294.04

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Solution

The fourth proportional to 2,679.73, 4,022.19 and 1,294.04 is: 1,942.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679.73 : 4,022.19 = 1,294.04 : x
  2. Step 2: Convert to fraction form
    2,679.73/4,022.19 = 1,294.04/x
  3. Step 3: Cross multiply
    2,679.73x = 4,022.19 × 1,294.04
  4. Step 4: Simplify right side
    2,679.73x = 5,204,874.75
  5. Step 5: Solve for x
    x = 5,204,874.75/2,679.73
  6. Step 6: Final answer
    x = 1,942.31

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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.