Home / 3,171.96-4,377.44-1,845.38

Finding the Fourth Proportional to 3,171.96, 4,377.44 and 1,845.38

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Solution

The fourth proportional to 3,171.96, 4,377.44 and 1,845.38 is: 2,546.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.96 : 4,377.44 = 1,845.38 : x
  2. Step 2: Convert to fraction form
    3,171.96/4,377.44 = 1,845.38/x
  3. Step 3: Cross multiply
    3,171.96x = 4,377.44 × 1,845.38
  4. Step 4: Simplify right side
    3,171.96x = 8,078,055.78
  5. Step 5: Solve for x
    x = 8,078,055.78/3,171.96
  6. Step 6: Final answer
    x = 2,546.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.