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Finding the Fourth Proportional to 3,180.87, 4,773.87 and 2,193.08

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Solution

The fourth proportional to 3,180.87, 4,773.87 and 2,193.08 is: 3,291.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,180.87 : 4,773.87 = 2,193.08 : x
  2. Step 2: Convert to fraction form
    3,180.87/4,773.87 = 2,193.08/x
  3. Step 3: Cross multiply
    3,180.87x = 4,773.87 × 2,193.08
  4. Step 4: Simplify right side
    3,180.87x = 10,469,454.95
  5. Step 5: Solve for x
    x = 10,469,454.95/3,180.87
  6. Step 6: Final answer
    x = 3,291.38

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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.