Home / 3,188.43-4,399.11-2,009.88

Finding the Fourth Proportional to 3,188.43, 4,399.11 and 2,009.88

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Solution

The fourth proportional to 3,188.43, 4,399.11 and 2,009.88 is: 2,773.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.43 : 4,399.11 = 2,009.88 : x
  2. Step 2: Convert to fraction form
    3,188.43/4,399.11 = 2,009.88/x
  3. Step 3: Cross multiply
    3,188.43x = 4,399.11 × 2,009.88
  4. Step 4: Simplify right side
    3,188.43x = 8,841,683.21
  5. Step 5: Solve for x
    x = 8,841,683.21/3,188.43
  6. Step 6: Final answer
    x = 2,773.05

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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.