Home / 3,279.14-4,517.28-2,438.41

Finding the Fourth Proportional to 3,279.14, 4,517.28 and 2,438.41

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Solution

The fourth proportional to 3,279.14, 4,517.28 and 2,438.41 is: 3,359.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,279.14 : 4,517.28 = 2,438.41 : x
  2. Step 2: Convert to fraction form
    3,279.14/4,517.28 = 2,438.41/x
  3. Step 3: Cross multiply
    3,279.14x = 4,517.28 × 2,438.41
  4. Step 4: Simplify right side
    3,279.14x = 11,014,969.43
  5. Step 5: Solve for x
    x = 11,014,969.43/3,279.14
  6. Step 6: Final answer
    x = 3,359.10

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1.5x scale

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.