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Finding the Fourth Proportional to 3,278.97, 4,918.46 and 2,896.25

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Solution

The fourth proportional to 3,278.97, 4,918.46 and 2,896.25 is: 4,344.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.97 : 4,918.46 = 2,896.25 : x
  2. Step 2: Convert to fraction form
    3,278.97/4,918.46 = 2,896.25/x
  3. Step 3: Cross multiply
    3,278.97x = 4,918.46 × 2,896.25
  4. Step 4: Simplify right side
    3,278.97x = 14,245,050.70
  5. Step 5: Solve for x
    x = 14,245,050.70/3,278.97
  6. Step 6: Final answer
    x = 4,344.37

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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.