Home / 3,268.14-4,902.94-1,076.78

Finding the Fourth Proportional to 3,268.14, 4,902.94 and 1,076.78

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Solution

The fourth proportional to 3,268.14, 4,902.94 and 1,076.78 is: 1,615.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.14 : 4,902.94 = 1,076.78 : x
  2. Step 2: Convert to fraction form
    3,268.14/4,902.94 = 1,076.78/x
  3. Step 3: Cross multiply
    3,268.14x = 4,902.94 × 1,076.78
  4. Step 4: Simplify right side
    3,268.14x = 5,279,387.73
  5. Step 5: Solve for x
    x = 5,279,387.73/3,268.14
  6. Step 6: Final answer
    x = 1,615.41

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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.