Home / 3,691.39-5,536.49-2,021.41

Finding the Fourth Proportional to 3,691.39, 5,536.49 and 2,021.41

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Solution

The fourth proportional to 3,691.39, 5,536.49 and 2,021.41 is: 3,031.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.39 : 5,536.49 = 2,021.41 : x
  2. Step 2: Convert to fraction form
    3,691.39/5,536.49 = 2,021.41/x
  3. Step 3: Cross multiply
    3,691.39x = 5,536.49 × 2,021.41
  4. Step 4: Simplify right side
    3,691.39x = 11,191,516.25
  5. Step 5: Solve for x
    x = 11,191,516.25/3,691.39
  6. Step 6: Final answer
    x = 3,031.79

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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.