Home / 2,721.90-4,083.27-1,161.91

Finding the Fourth Proportional to 2,721.90, 4,083.27 and 1,161.91

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Solution

The fourth proportional to 2,721.90, 4,083.27 and 1,161.91 is: 1,743.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.90 : 4,083.27 = 1,161.91 : x
  2. Step 2: Convert to fraction form
    2,721.90/4,083.27 = 1,161.91/x
  3. Step 3: Cross multiply
    2,721.90x = 4,083.27 × 1,161.91
  4. Step 4: Simplify right side
    2,721.90x = 4,744,392.25
  5. Step 5: Solve for x
    x = 4,744,392.25/2,721.90
  6. Step 6: Final answer
    x = 1,743.04

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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.