Home / 3,614.90-4,988.39-2,042.69

Finding the Fourth Proportional to 3,614.90, 4,988.39 and 2,042.69

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Solution

The fourth proportional to 3,614.90, 4,988.39 and 2,042.69 is: 2,818.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.90 : 4,988.39 = 2,042.69 : x
  2. Step 2: Convert to fraction form
    3,614.90/4,988.39 = 2,042.69/x
  3. Step 3: Cross multiply
    3,614.90x = 4,988.39 × 2,042.69
  4. Step 4: Simplify right side
    3,614.90x = 10,189,699.21
  5. Step 5: Solve for x
    x = 10,189,699.21/3,614.90
  6. Step 6: Final answer
    x = 2,818.81

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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.