Home / 3,215.27-4,439.07-2,467.80

Finding the Fourth Proportional to 3,215.27, 4,439.07 and 2,467.80

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Solution

The fourth proportional to 3,215.27, 4,439.07 and 2,467.80 is: 3,407.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.27 : 4,439.07 = 2,467.80 : x
  2. Step 2: Convert to fraction form
    3,215.27/4,439.07 = 2,467.80/x
  3. Step 3: Cross multiply
    3,215.27x = 4,439.07 × 2,467.80
  4. Step 4: Simplify right side
    3,215.27x = 10,954,736.95
  5. Step 5: Solve for x
    x = 10,954,736.95/3,215.27
  6. Step 6: Final answer
    x = 3,407.09

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.