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Finding the Fourth Proportional to 2,730.50, 3,770.31 and 2,226.44

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Solution

The fourth proportional to 2,730.50, 3,770.31 and 2,226.44 is: 3,074.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.50 : 3,770.31 = 2,226.44 : x
  2. Step 2: Convert to fraction form
    2,730.50/3,770.31 = 2,226.44/x
  3. Step 3: Cross multiply
    2,730.50x = 3,770.31 × 2,226.44
  4. Step 4: Simplify right side
    2,730.50x = 8,394,350.14
  5. Step 5: Solve for x
    x = 8,394,350.14/2,730.50
  6. Step 6: Final answer
    x = 3,074.30

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1.5x scale

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.