Home / 2,750.74-4,126.38-1,191.22

Finding the Fourth Proportional to 2,750.74, 4,126.38 and 1,191.22

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Solution

The fourth proportional to 2,750.74, 4,126.38 and 1,191.22 is: 1,786.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.74 : 4,126.38 = 1,191.22 : x
  2. Step 2: Convert to fraction form
    2,750.74/4,126.38 = 1,191.22/x
  3. Step 3: Cross multiply
    2,750.74x = 4,126.38 × 1,191.22
  4. Step 4: Simplify right side
    2,750.74x = 4,915,426.38
  5. Step 5: Solve for x
    x = 4,915,426.38/2,750.74
  6. Step 6: Final answer
    x = 1,786.95

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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.