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Finding the Fourth Proportional to 3,951.08, 5,922.36 and 2,100.33

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Solution

The fourth proportional to 3,951.08, 5,922.36 and 2,100.33 is: 3,148.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,951.08 : 5,922.36 = 2,100.33 : x
  2. Step 2: Convert to fraction form
    3,951.08/5,922.36 = 2,100.33/x
  3. Step 3: Cross multiply
    3,951.08x = 5,922.36 × 2,100.33
  4. Step 4: Simplify right side
    3,951.08x = 12,438,910.38
  5. Step 5: Solve for x
    x = 12,438,910.38/3,951.08
  6. Step 6: Final answer
    x = 3,148.23

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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.