Home / 2,740.25-4,112.60-1,097.97

Finding the Fourth Proportional to 2,740.25, 4,112.60 and 1,097.97

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Solution

The fourth proportional to 2,740.25, 4,112.60 and 1,097.97 is: 1,647.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.25 : 4,112.60 = 1,097.97 : x
  2. Step 2: Convert to fraction form
    2,740.25/4,112.60 = 1,097.97/x
  3. Step 3: Cross multiply
    2,740.25x = 4,112.60 × 1,097.97
  4. Step 4: Simplify right side
    2,740.25x = 4,515,505.93
  5. Step 5: Solve for x
    x = 4,515,505.93/2,740.25
  6. Step 6: Final answer
    x = 1,647.85

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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.