Home / 2,200.25-3,299.19-966.21

Finding the Fourth Proportional to 2,200.25, 3,299.19 and 966.21

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Solution

The fourth proportional to 2,200.25, 3,299.19 and 966.21 is: 1,448.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,200.25 : 3,299.19 = 966.21 : x
  2. Step 2: Convert to fraction form
    2,200.25/3,299.19 = 966.21/x
  3. Step 3: Cross multiply
    2,200.25x = 3,299.19 × 966.21
  4. Step 4: Simplify right side
    2,200.25x = 3,187,710.37
  5. Step 5: Solve for x
    x = 3,187,710.37/2,200.25
  6. Step 6: Final answer
    x = 1,448.79

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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.