Home / 2,757.24-4,134.24-1,294.38

Finding the Fourth Proportional to 2,757.24, 4,134.24 and 1,294.38

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Solution

The fourth proportional to 2,757.24, 4,134.24 and 1,294.38 is: 1,940.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,757.24 : 4,134.24 = 1,294.38 : x
  2. Step 2: Convert to fraction form
    2,757.24/4,134.24 = 1,294.38/x
  3. Step 3: Cross multiply
    2,757.24x = 4,134.24 × 1,294.38
  4. Step 4: Simplify right side
    2,757.24x = 5,351,277.57
  5. Step 5: Solve for x
    x = 5,351,277.57/2,757.24
  6. Step 6: Final answer
    x = 1,940.81

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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.