Home / 3,965.67-5,951.20-2,118.11

Finding the Fourth Proportional to 3,965.67, 5,951.20 and 2,118.11

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Solution

The fourth proportional to 3,965.67, 5,951.20 and 2,118.11 is: 3,178.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965.67 : 5,951.20 = 2,118.11 : x
  2. Step 2: Convert to fraction form
    3,965.67/5,951.20 = 2,118.11/x
  3. Step 3: Cross multiply
    3,965.67x = 5,951.20 × 2,118.11
  4. Step 4: Simplify right side
    3,965.67x = 12,605,296.23
  5. Step 5: Solve for x
    x = 12,605,296.23/3,965.67
  6. Step 6: Final answer
    x = 3,178.60

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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.