Home / 3,691.15-5,536.70-1,351.31

Finding the Fourth Proportional to 3,691.15, 5,536.70 and 1,351.31

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Solution

The fourth proportional to 3,691.15, 5,536.70 and 1,351.31 is: 2,026.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.15 : 5,536.70 = 1,351.31 : x
  2. Step 2: Convert to fraction form
    3,691.15/5,536.70 = 1,351.31/x
  3. Step 3: Cross multiply
    3,691.15x = 5,536.70 × 1,351.31
  4. Step 4: Simplify right side
    3,691.15x = 7,481,805.16
  5. Step 5: Solve for x
    x = 7,481,805.16/3,691.15
  6. Step 6: Final answer
    x = 2,026.96

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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.