Home / 3,976.86-5,965.26-2,197.83

Finding the Fourth Proportional to 3,976.86, 5,965.26 and 2,197.83

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Solution

The fourth proportional to 3,976.86, 5,965.26 and 2,197.83 is: 3,296.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.86 : 5,965.26 = 2,197.83 : x
  2. Step 2: Convert to fraction form
    3,976.86/5,965.26 = 2,197.83/x
  3. Step 3: Cross multiply
    3,976.86x = 5,965.26 × 2,197.83
  4. Step 4: Simplify right side
    3,976.86x = 13,110,627.39
  5. Step 5: Solve for x
    x = 13,110,627.39/3,976.86
  6. Step 6: Final answer
    x = 3,296.73

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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.