Home / 3,171.33-4,377.96-2,110.86

Finding the Fourth Proportional to 3,171.33, 4,377.96 and 2,110.86

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Solution

The fourth proportional to 3,171.33, 4,377.96 and 2,110.86 is: 2,914.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171.33 : 4,377.96 = 2,110.86 : x
  2. Step 2: Convert to fraction form
    3,171.33/4,377.96 = 2,110.86/x
  3. Step 3: Cross multiply
    3,171.33x = 4,377.96 × 2,110.86
  4. Step 4: Simplify right side
    3,171.33x = 9,241,260.65
  5. Step 5: Solve for x
    x = 9,241,260.65/3,171.33
  6. Step 6: Final answer
    x = 2,914.00

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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.