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Finding the Fourth Proportional to 3,843.75, 5,772.11 and 3,500.31

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Solution

The fourth proportional to 3,843.75, 5,772.11 and 3,500.31 is: 5,256.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,843.75 : 5,772.11 = 3,500.31 : x
  2. Step 2: Convert to fraction form
    3,843.75/5,772.11 = 3,500.31/x
  3. Step 3: Cross multiply
    3,843.75x = 5,772.11 × 3,500.31
  4. Step 4: Simplify right side
    3,843.75x = 20,204,174.35
  5. Step 5: Solve for x
    x = 20,204,174.35/3,843.75
  6. Step 6: Final answer
    x = 5,256.37

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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.