Home / 3,614.88-4,988.04-2,198.86

Finding the Fourth Proportional to 3,614.88, 4,988.04 and 2,198.86

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Solution

The fourth proportional to 3,614.88, 4,988.04 and 2,198.86 is: 3,034.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.88 : 4,988.04 = 2,198.86 : x
  2. Step 2: Convert to fraction form
    3,614.88/4,988.04 = 2,198.86/x
  3. Step 3: Cross multiply
    3,614.88x = 4,988.04 × 2,198.86
  4. Step 4: Simplify right side
    3,614.88x = 10,968,001.63
  5. Step 5: Solve for x
    x = 10,968,001.63/3,614.88
  6. Step 6: Final answer
    x = 3,034.13

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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.