Home / 3,179.67-4,768.19-1,230.75

Finding the Fourth Proportional to 3,179.67, 4,768.19 and 1,230.75

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Solution

The fourth proportional to 3,179.67, 4,768.19 and 1,230.75 is: 1,845.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.67 : 4,768.19 = 1,230.75 : x
  2. Step 2: Convert to fraction form
    3,179.67/4,768.19 = 1,230.75/x
  3. Step 3: Cross multiply
    3,179.67x = 4,768.19 × 1,230.75
  4. Step 4: Simplify right side
    3,179.67x = 5,868,443.69
  5. Step 5: Solve for x
    x = 5,868,443.69/3,179.67
  6. Step 6: Final answer
    x = 1,845.61

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1.5x scale

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.