Home / 2,286.15-3,422.55-2,067.28

Finding the Fourth Proportional to 2,286.15, 3,422.55 and 2,067.28

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Solution

The fourth proportional to 2,286.15, 3,422.55 and 2,067.28 is: 3,094.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,286.15 : 3,422.55 = 2,067.28 : x
  2. Step 2: Convert to fraction form
    2,286.15/3,422.55 = 2,067.28/x
  3. Step 3: Cross multiply
    2,286.15x = 3,422.55 × 2,067.28
  4. Step 4: Simplify right side
    2,286.15x = 7,075,375.98
  5. Step 5: Solve for x
    x = 7,075,375.98/2,286.15
  6. Step 6: Final answer
    x = 3,094.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.