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Finding the Fourth Proportional to 3,543.44, 4,891.72 and 2,744.98

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Solution

The fourth proportional to 3,543.44, 4,891.72 and 2,744.98 is: 3,789.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,543.44 : 4,891.72 = 2,744.98 : x
  2. Step 2: Convert to fraction form
    3,543.44/4,891.72 = 2,744.98/x
  3. Step 3: Cross multiply
    3,543.44x = 4,891.72 × 2,744.98
  4. Step 4: Simplify right side
    3,543.44x = 13,427,673.57
  5. Step 5: Solve for x
    x = 13,427,673.57/3,543.44
  6. Step 6: Final answer
    x = 3,789.45

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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.