Home / 3,223.10-4,447.22-2,226.80

Finding the Fourth Proportional to 3,223.10, 4,447.22 and 2,226.80

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Solution

The fourth proportional to 3,223.10, 4,447.22 and 2,226.80 is: 3,072.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,223.10 : 4,447.22 = 2,226.80 : x
  2. Step 2: Convert to fraction form
    3,223.10/4,447.22 = 2,226.80/x
  3. Step 3: Cross multiply
    3,223.10x = 4,447.22 × 2,226.80
  4. Step 4: Simplify right side
    3,223.10x = 9,903,069.50
  5. Step 5: Solve for x
    x = 9,903,069.50/3,223.10
  6. Step 6: Final answer
    x = 3,072.53

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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.