Home / 2,942.39-4,414.74-1,297.79

Finding the Fourth Proportional to 2,942.39, 4,414.74 and 1,297.79

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Solution

The fourth proportional to 2,942.39, 4,414.74 and 1,297.79 is: 1,947.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.39 : 4,414.74 = 1,297.79 : x
  2. Step 2: Convert to fraction form
    2,942.39/4,414.74 = 1,297.79/x
  3. Step 3: Cross multiply
    2,942.39x = 4,414.74 × 1,297.79
  4. Step 4: Simplify right side
    2,942.39x = 5,729,383.35
  5. Step 5: Solve for x
    x = 5,729,383.35/2,942.39
  6. Step 6: Final answer
    x = 1,947.19

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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.