Home / 3,270.80-4,515.32-2,228.33

Finding the Fourth Proportional to 3,270.80, 4,515.32 and 2,228.33

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Solution

The fourth proportional to 3,270.80, 4,515.32 and 2,228.33 is: 3,076.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.80 : 4,515.32 = 2,228.33 : x
  2. Step 2: Convert to fraction form
    3,270.80/4,515.32 = 2,228.33/x
  3. Step 3: Cross multiply
    3,270.80x = 4,515.32 × 2,228.33
  4. Step 4: Simplify right side
    3,270.80x = 10,061,639.87
  5. Step 5: Solve for x
    x = 10,061,639.87/3,270.80
  6. Step 6: Final answer
    x = 3,076.20

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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.