Home / 2,200.80-3,305.76-2,126.99

Finding the Fourth Proportional to 2,200.80, 3,305.76 and 2,126.99

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Solution

The fourth proportional to 2,200.80, 3,305.76 and 2,126.99 is: 3,194.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,200.80 : 3,305.76 = 2,126.99 : x
  2. Step 2: Convert to fraction form
    2,200.80/3,305.76 = 2,126.99/x
  3. Step 3: Cross multiply
    2,200.80x = 3,305.76 × 2,126.99
  4. Step 4: Simplify right side
    2,200.80x = 7,031,301.93
  5. Step 5: Solve for x
    x = 7,031,301.93/2,200.80
  6. Step 6: Final answer
    x = 3,194.88

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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.