Home / 2,515.62-3,773.22-849.70

Finding the Fourth Proportional to 2,515.62, 3,773.22 and 849.70

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Solution

The fourth proportional to 2,515.62, 3,773.22 and 849.70 is: 1,274.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,515.62 : 3,773.22 = 849.70 : x
  2. Step 2: Convert to fraction form
    2,515.62/3,773.22 = 849.70/x
  3. Step 3: Cross multiply
    2,515.62x = 3,773.22 × 849.70
  4. Step 4: Simplify right side
    2,515.62x = 3,206,106.56
  5. Step 5: Solve for x
    x = 3,206,106.56/2,515.62
  6. Step 6: Final answer
    x = 1,274.48

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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.