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Finding the Fourth Proportional to 3,850.88, 5,778.07 and 1,630.32

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Solution

The fourth proportional to 3,850.88, 5,778.07 and 1,630.32 is: 2,446.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850.88 : 5,778.07 = 1,630.32 : x
  2. Step 2: Convert to fraction form
    3,850.88/5,778.07 = 1,630.32/x
  3. Step 3: Cross multiply
    3,850.88x = 5,778.07 × 1,630.32
  4. Step 4: Simplify right side
    3,850.88x = 9,420,103.08
  5. Step 5: Solve for x
    x = 9,420,103.08/3,850.88
  6. Step 6: Final answer
    x = 2,446.22

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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.