Home / 3,125.66-4,687.62-1,176.80

Finding the Fourth Proportional to 3,125.66, 4,687.62 and 1,176.80

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Solution

The fourth proportional to 3,125.66, 4,687.62 and 1,176.80 is: 1,764.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.66 : 4,687.62 = 1,176.80 : x
  2. Step 2: Convert to fraction form
    3,125.66/4,687.62 = 1,176.80/x
  3. Step 3: Cross multiply
    3,125.66x = 4,687.62 × 1,176.80
  4. Step 4: Simplify right side
    3,125.66x = 5,516,391.22
  5. Step 5: Solve for x
    x = 5,516,391.22/3,125.66
  6. Step 6: Final answer
    x = 1,764.87

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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.