Home / 3,949.22-5,922.65-2,195.12

Finding the Fourth Proportional to 3,949.22, 5,922.65 and 2,195.12

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Solution

The fourth proportional to 3,949.22, 5,922.65 and 2,195.12 is: 3,292.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.22 : 5,922.65 = 2,195.12 : x
  2. Step 2: Convert to fraction form
    3,949.22/5,922.65 = 2,195.12/x
  3. Step 3: Cross multiply
    3,949.22x = 5,922.65 × 2,195.12
  4. Step 4: Simplify right side
    3,949.22x = 13,000,947.76
  5. Step 5: Solve for x
    x = 13,000,947.76/3,949.22
  6. Step 6: Final answer
    x = 3,292.03

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1.5x scale

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.