Home / 3,949.57-5,917.87-1,351.09

Finding the Fourth Proportional to 3,949.57, 5,917.87 and 1,351.09

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Solution

The fourth proportional to 3,949.57, 5,917.87 and 1,351.09 is: 2,024.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.57 : 5,917.87 = 1,351.09 : x
  2. Step 2: Convert to fraction form
    3,949.57/5,917.87 = 1,351.09/x
  3. Step 3: Cross multiply
    3,949.57x = 5,917.87 × 1,351.09
  4. Step 4: Simplify right side
    3,949.57x = 7,995,574.98
  5. Step 5: Solve for x
    x = 7,995,574.98/3,949.57
  6. Step 6: Final answer
    x = 2,024.42

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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.