Home / 3,776.20-5,663.49-1,177.72

Finding the Fourth Proportional to 3,776.20, 5,663.49 and 1,177.72

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Solution

The fourth proportional to 3,776.20, 5,663.49 and 1,177.72 is: 1,766.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776.20 : 5,663.49 = 1,177.72 : x
  2. Step 2: Convert to fraction form
    3,776.20/5,663.49 = 1,177.72/x
  3. Step 3: Cross multiply
    3,776.20x = 5,663.49 × 1,177.72
  4. Step 4: Simplify right side
    3,776.20x = 6,670,005.44
  5. Step 5: Solve for x
    x = 6,670,005.44/3,776.20
  6. Step 6: Final answer
    x = 1,766.33

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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.