Home / 3,229.96-4,845.48-2,119.72

Finding the Fourth Proportional to 3,229.96, 4,845.48 and 2,119.72

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Solution

The fourth proportional to 3,229.96, 4,845.48 and 2,119.72 is: 3,179.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229.96 : 4,845.48 = 2,119.72 : x
  2. Step 2: Convert to fraction form
    3,229.96/4,845.48 = 2,119.72/x
  3. Step 3: Cross multiply
    3,229.96x = 4,845.48 × 2,119.72
  4. Step 4: Simplify right side
    3,229.96x = 10,271,060.87
  5. Step 5: Solve for x
    x = 10,271,060.87/3,229.96
  6. Step 6: Final answer
    x = 3,179.93

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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.