Home / 3,222.97-4,828.05-2,124

Finding the Fourth Proportional to 3,222.97, 4,828.05 and 2,124

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Solution

The fourth proportional to 3,222.97, 4,828.05 and 2,124 is: 3,181.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.97 : 4,828.05 = 2,124 : x
  2. Step 2: Convert to fraction form
    3,222.97/4,828.05 = 2,124/x
  3. Step 3: Cross multiply
    3,222.97x = 4,828.05 × 2,124
  4. Step 4: Simplify right side
    3,222.97x = 10,254,778.20
  5. Step 5: Solve for x
    x = 10,254,778.20/3,222.97
  6. Step 6: Final answer
    x = 3,181.78

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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.