Home / 3,222.26-4,811.85-2,755.16

Finding the Fourth Proportional to 3,222.26, 4,811.85 and 2,755.16

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Solution

The fourth proportional to 3,222.26, 4,811.85 and 2,755.16 is: 4,114.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.26 : 4,811.85 = 2,755.16 : x
  2. Step 2: Convert to fraction form
    3,222.26/4,811.85 = 2,755.16/x
  3. Step 3: Cross multiply
    3,222.26x = 4,811.85 × 2,755.16
  4. Step 4: Simplify right side
    3,222.26x = 13,257,402.87
  5. Step 5: Solve for x
    x = 13,257,402.87/3,222.26
  6. Step 6: Final answer
    x = 4,114.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.