Home / 3,519.80-5,277.09-2,132.87

Finding the Fourth Proportional to 3,519.80, 5,277.09 and 2,132.87

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Solution

The fourth proportional to 3,519.80, 5,277.09 and 2,132.87 is: 3,197.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,519.80 : 5,277.09 = 2,132.87 : x
  2. Step 2: Convert to fraction form
    3,519.80/5,277.09 = 2,132.87/x
  3. Step 3: Cross multiply
    3,519.80x = 5,277.09 × 2,132.87
  4. Step 4: Simplify right side
    3,519.80x = 11,255,346.95
  5. Step 5: Solve for x
    x = 11,255,346.95/3,519.80
  6. Step 6: Final answer
    x = 3,197.72

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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.