Home / 3,168.31-4,747.87-2,180.11

Finding the Fourth Proportional to 3,168.31, 4,747.87 and 2,180.11

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Solution

The fourth proportional to 3,168.31, 4,747.87 and 2,180.11 is: 3,267.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.31 : 4,747.87 = 2,180.11 : x
  2. Step 2: Convert to fraction form
    3,168.31/4,747.87 = 2,180.11/x
  3. Step 3: Cross multiply
    3,168.31x = 4,747.87 × 2,180.11
  4. Step 4: Simplify right side
    3,168.31x = 10,350,878.87
  5. Step 5: Solve for x
    x = 10,350,878.87/3,168.31
  6. Step 6: Final answer
    x = 3,267.00

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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.