Home / 1,177.38-1,766.85-1,168.26

Finding the Fourth Proportional to 1,177.38, 1,766.85 and 1,168.26

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Solution

The fourth proportional to 1,177.38, 1,766.85 and 1,168.26 is: 1,753.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177.38 : 1,766.85 = 1,168.26 : x
  2. Step 2: Convert to fraction form
    1,177.38/1,766.85 = 1,168.26/x
  3. Step 3: Cross multiply
    1,177.38x = 1,766.85 × 1,168.26
  4. Step 4: Simplify right side
    1,177.38x = 2,064,140.18
  5. Step 5: Solve for x
    x = 2,064,140.18/1,177.38
  6. Step 6: Final answer
    x = 1,753.16

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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.