Home / 2,855.08-3,936.98-2,224.49

Finding the Fourth Proportional to 2,855.08, 3,936.98 and 2,224.49

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Solution

The fourth proportional to 2,855.08, 3,936.98 and 2,224.49 is: 3,067.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,855.08 : 3,936.98 = 2,224.49 : x
  2. Step 2: Convert to fraction form
    2,855.08/3,936.98 = 2,224.49/x
  3. Step 3: Cross multiply
    2,855.08x = 3,936.98 × 2,224.49
  4. Step 4: Simplify right side
    2,855.08x = 8,757,772.64
  5. Step 5: Solve for x
    x = 8,757,772.64/2,855.08
  6. Step 6: Final answer
    x = 3,067.44

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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.