Home / 3,396.57-5,087.90-2,005.70

Finding the Fourth Proportional to 3,396.57, 5,087.90 and 2,005.70

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Solution

The fourth proportional to 3,396.57, 5,087.90 and 2,005.70 is: 3,004.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,396.57 : 5,087.90 = 2,005.70 : x
  2. Step 2: Convert to fraction form
    3,396.57/5,087.90 = 2,005.70/x
  3. Step 3: Cross multiply
    3,396.57x = 5,087.90 × 2,005.70
  4. Step 4: Simplify right side
    3,396.57x = 10,204,765.56
  5. Step 5: Solve for x
    x = 10,204,765.56/3,396.57
  6. Step 6: Final answer
    x = 3,004.43

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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.