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Finding the Fourth Proportional to 3,277, 4,522.26 and 1,805

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Solution

The fourth proportional to 3,277, 4,522.26 and 1,805 is: 2,490.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,277 : 4,522.26 = 1,805 : x
  2. Step 2: Convert to fraction form
    3,277/4,522.26 = 1,805/x
  3. Step 3: Cross multiply
    3,277x = 4,522.26 × 1,805
  4. Step 4: Simplify right side
    3,277x = 8,162,679.30
  5. Step 5: Solve for x
    x = 8,162,679.30/3,277
  6. Step 6: Final answer
    x = 2,490.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.