Home / 2,226.75-3,073.50-1,282.65

Finding the Fourth Proportional to 2,226.75, 3,073.50 and 1,282.65

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Solution

The fourth proportional to 2,226.75, 3,073.50 and 1,282.65 is: 1,770.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.75 : 3,073.50 = 1,282.65 : x
  2. Step 2: Convert to fraction form
    2,226.75/3,073.50 = 1,282.65/x
  3. Step 3: Cross multiply
    2,226.75x = 3,073.50 × 1,282.65
  4. Step 4: Simplify right side
    2,226.75x = 3,942,224.78
  5. Step 5: Solve for x
    x = 3,942,224.78/2,226.75
  6. Step 6: Final answer
    x = 1,770.39

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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.