Home / 2,680.11-4,020.17-1,761.48

Finding the Fourth Proportional to 2,680.11, 4,020.17 and 1,761.48

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Solution

The fourth proportional to 2,680.11, 4,020.17 and 1,761.48 is: 2,642.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680.11 : 4,020.17 = 1,761.48 : x
  2. Step 2: Convert to fraction form
    2,680.11/4,020.17 = 1,761.48/x
  3. Step 3: Cross multiply
    2,680.11x = 4,020.17 × 1,761.48
  4. Step 4: Simplify right side
    2,680.11x = 7,081,440.24
  5. Step 5: Solve for x
    x = 7,081,440.24/2,680.11
  6. Step 6: Final answer
    x = 2,642.22

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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.