Home / 2,272.70-3,149.49-2,228.96

Finding the Fourth Proportional to 2,272.70, 3,149.49 and 2,228.96

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Solution

The fourth proportional to 2,272.70, 3,149.49 and 2,228.96 is: 3,088.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272.70 : 3,149.49 = 2,228.96 : x
  2. Step 2: Convert to fraction form
    2,272.70/3,149.49 = 2,228.96/x
  3. Step 3: Cross multiply
    2,272.70x = 3,149.49 × 2,228.96
  4. Step 4: Simplify right side
    2,272.70x = 7,020,087.23
  5. Step 5: Solve for x
    x = 7,020,087.23/2,272.70
  6. Step 6: Final answer
    x = 3,088.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.