Home / 1,177.44-1,757.76-1,169.28

Finding the Fourth Proportional to 1,177.44, 1,757.76 and 1,169.28

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Solution

The fourth proportional to 1,177.44, 1,757.76 and 1,169.28 is: 1,745.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177.44 : 1,757.76 = 1,169.28 : x
  2. Step 2: Convert to fraction form
    1,177.44/1,757.76 = 1,169.28/x
  3. Step 3: Cross multiply
    1,177.44x = 1,757.76 × 1,169.28
  4. Step 4: Simplify right side
    1,177.44x = 2,055,313.61
  5. Step 5: Solve for x
    x = 2,055,313.61/1,177.44
  6. Step 6: Final answer
    x = 1,745.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.