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Finding the Fourth Proportional to 1,650.38, 2,474.12 and 827.48

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Solution

The fourth proportional to 1,650.38, 2,474.12 and 827.48 is: 1,240.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,650.38 : 2,474.12 = 827.48 : x
  2. Step 2: Convert to fraction form
    1,650.38/2,474.12 = 827.48/x
  3. Step 3: Cross multiply
    1,650.38x = 2,474.12 × 827.48
  4. Step 4: Simplify right side
    1,650.38x = 2,047,280.68
  5. Step 5: Solve for x
    x = 2,047,280.68/1,650.38
  6. Step 6: Final answer
    x = 1,240.49

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1.5x scale

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.