Home / 3,399.80-5,087.82-2,942.96

Finding the Fourth Proportional to 3,399.80, 5,087.82 and 2,942.96

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Solution

The fourth proportional to 3,399.80, 5,087.82 and 2,942.96 is: 4,404.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399.80 : 5,087.82 = 2,942.96 : x
  2. Step 2: Convert to fraction form
    3,399.80/5,087.82 = 2,942.96/x
  3. Step 3: Cross multiply
    3,399.80x = 5,087.82 × 2,942.96
  4. Step 4: Simplify right side
    3,399.80x = 14,973,250.75
  5. Step 5: Solve for x
    x = 14,973,250.75/3,399.80
  6. Step 6: Final answer
    x = 4,404.16

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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.