Home / 2,942.36-4,414.68-1,297.75

Finding the Fourth Proportional to 2,942.36, 4,414.68 and 1,297.75

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Solution

The fourth proportional to 2,942.36, 4,414.68 and 1,297.75 is: 1,947.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.36 : 4,414.68 = 1,297.75 : x
  2. Step 2: Convert to fraction form
    2,942.36/4,414.68 = 1,297.75/x
  3. Step 3: Cross multiply
    2,942.36x = 4,414.68 × 1,297.75
  4. Step 4: Simplify right side
    2,942.36x = 5,729,128.90
  5. Step 5: Solve for x
    x = 5,729,128.90/2,942.36
  6. Step 6: Final answer
    x = 1,947.12

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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.