Home / 1,958.78-2,934.23-1,091.27

Finding the Fourth Proportional to 1,958.78, 2,934.23 and 1,091.27

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Solution

The fourth proportional to 1,958.78, 2,934.23 and 1,091.27 is: 1,634.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,958.78 : 2,934.23 = 1,091.27 : x
  2. Step 2: Convert to fraction form
    1,958.78/2,934.23 = 1,091.27/x
  3. Step 3: Cross multiply
    1,958.78x = 2,934.23 × 1,091.27
  4. Step 4: Simplify right side
    1,958.78x = 3,202,039.05
  5. Step 5: Solve for x
    x = 3,202,039.05/1,958.78
  6. Step 6: Final answer
    x = 1,634.71

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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.