Home / 3,102.28-4,641.52-2,179.44

Finding the Fourth Proportional to 3,102.28, 4,641.52 and 2,179.44

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Solution

The fourth proportional to 3,102.28, 4,641.52 and 2,179.44 is: 3,260.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102.28 : 4,641.52 = 2,179.44 : x
  2. Step 2: Convert to fraction form
    3,102.28/4,641.52 = 2,179.44/x
  3. Step 3: Cross multiply
    3,102.28x = 4,641.52 × 2,179.44
  4. Step 4: Simplify right side
    3,102.28x = 10,115,914.35
  5. Step 5: Solve for x
    x = 10,115,914.35/3,102.28
  6. Step 6: Final answer
    x = 3,260.80

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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.