Home / 2,721.20-4,083.33-1,161.04

Finding the Fourth Proportional to 2,721.20, 4,083.33 and 1,161.04

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Solution

The fourth proportional to 2,721.20, 4,083.33 and 1,161.04 is: 1,742.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.20 : 4,083.33 = 1,161.04 : x
  2. Step 2: Convert to fraction form
    2,721.20/4,083.33 = 1,161.04/x
  3. Step 3: Cross multiply
    2,721.20x = 4,083.33 × 1,161.04
  4. Step 4: Simplify right side
    2,721.20x = 4,740,889.05
  5. Step 5: Solve for x
    x = 4,740,889.05/2,721.20
  6. Step 6: Final answer
    x = 1,742.21

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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.