Home / 3,221.80-4,451.46-3,026.92

Finding the Fourth Proportional to 3,221.80, 4,451.46 and 3,026.92

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Solution

The fourth proportional to 3,221.80, 4,451.46 and 3,026.92 is: 4,182.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221.80 : 4,451.46 = 3,026.92 : x
  2. Step 2: Convert to fraction form
    3,221.80/4,451.46 = 3,026.92/x
  3. Step 3: Cross multiply
    3,221.80x = 4,451.46 × 3,026.92
  4. Step 4: Simplify right side
    3,221.80x = 13,474,213.30
  5. Step 5: Solve for x
    x = 13,474,213.30/3,221.80
  6. Step 6: Final answer
    x = 4,182.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.