Home / 3,226.26-4,839.38-886.29

Finding the Fourth Proportional to 3,226.26, 4,839.38 and 886.29

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Solution

The fourth proportional to 3,226.26, 4,839.38 and 886.29 is: 1,329.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226.26 : 4,839.38 = 886.29 : x
  2. Step 2: Convert to fraction form
    3,226.26/4,839.38 = 886.29/x
  3. Step 3: Cross multiply
    3,226.26x = 4,839.38 × 886.29
  4. Step 4: Simplify right side
    3,226.26x = 4,289,094.10
  5. Step 5: Solve for x
    x = 4,289,094.10/3,226.26
  6. Step 6: Final answer
    x = 1,329.43

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1.5x scale

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.