Home / 2,288.44-3,431.82-827.24

Finding the Fourth Proportional to 2,288.44, 3,431.82 and 827.24

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Solution

The fourth proportional to 2,288.44, 3,431.82 and 827.24 is: 1,240.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288.44 : 3,431.82 = 827.24 : x
  2. Step 2: Convert to fraction form
    2,288.44/3,431.82 = 827.24/x
  3. Step 3: Cross multiply
    2,288.44x = 3,431.82 × 827.24
  4. Step 4: Simplify right side
    2,288.44x = 2,838,938.78
  5. Step 5: Solve for x
    x = 2,838,938.78/2,288.44
  6. Step 6: Final answer
    x = 1,240.56

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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.