Home / 3,042.10-4,198.44-2,543.86

Finding the Fourth Proportional to 3,042.10, 4,198.44 and 2,543.86

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Solution

The fourth proportional to 3,042.10, 4,198.44 and 2,543.86 is: 3,510.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042.10 : 4,198.44 = 2,543.86 : x
  2. Step 2: Convert to fraction form
    3,042.10/4,198.44 = 2,543.86/x
  3. Step 3: Cross multiply
    3,042.10x = 4,198.44 × 2,543.86
  4. Step 4: Simplify right side
    3,042.10x = 10,680,243.58
  5. Step 5: Solve for x
    x = 10,680,243.58/3,042.10
  6. Step 6: Final answer
    x = 3,510.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.