Home / 2,717.25-4,072.65-1,253.31

Finding the Fourth Proportional to 2,717.25, 4,072.65 and 1,253.31

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Solution

The fourth proportional to 2,717.25, 4,072.65 and 1,253.31 is: 1,878.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.25 : 4,072.65 = 1,253.31 : x
  2. Step 2: Convert to fraction form
    2,717.25/4,072.65 = 1,253.31/x
  3. Step 3: Cross multiply
    2,717.25x = 4,072.65 × 1,253.31
  4. Step 4: Simplify right side
    2,717.25x = 5,104,292.97
  5. Step 5: Solve for x
    x = 5,104,292.97/2,717.25
  6. Step 6: Final answer
    x = 1,878.48

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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.