Home / 2,200.28-3,293.94-1,331.96

Finding the Fourth Proportional to 2,200.28, 3,293.94 and 1,331.96

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Solution

The fourth proportional to 2,200.28, 3,293.94 and 1,331.96 is: 1,994.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,200.28 : 3,293.94 = 1,331.96 : x
  2. Step 2: Convert to fraction form
    2,200.28/3,293.94 = 1,331.96/x
  3. Step 3: Cross multiply
    2,200.28x = 3,293.94 × 1,331.96
  4. Step 4: Simplify right side
    2,200.28x = 4,387,396.32
  5. Step 5: Solve for x
    x = 4,387,396.32/2,200.28
  6. Step 6: Final answer
    x = 1,994.02

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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.