Home / 3,225.30-4,447.98-2,105.88

Finding the Fourth Proportional to 3,225.30, 4,447.98 and 2,105.88

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Solution

The fourth proportional to 3,225.30, 4,447.98 and 2,105.88 is: 2,904.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.30 : 4,447.98 = 2,105.88 : x
  2. Step 2: Convert to fraction form
    3,225.30/4,447.98 = 2,105.88/x
  3. Step 3: Cross multiply
    3,225.30x = 4,447.98 × 2,105.88
  4. Step 4: Simplify right side
    3,225.30x = 9,366,912.12
  5. Step 5: Solve for x
    x = 9,366,912.12/3,225.30
  6. Step 6: Final answer
    x = 2,904.20

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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.