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Finding the Fourth Proportional to 2,517.87, 3,797.78 and 2,213.52

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Solution

The fourth proportional to 2,517.87, 3,797.78 and 2,213.52 is: 3,338.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,517.87 : 3,797.78 = 2,213.52 : x
  2. Step 2: Convert to fraction form
    2,517.87/3,797.78 = 2,213.52/x
  3. Step 3: Cross multiply
    2,517.87x = 3,797.78 × 2,213.52
  4. Step 4: Simplify right side
    2,517.87x = 8,406,461.99
  5. Step 5: Solve for x
    x = 8,406,461.99/2,517.87
  6. Step 6: Final answer
    x = 3,338.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.