Home / 4,072.82-5,620.49-2,209.82

Finding the Fourth Proportional to 4,072.82, 5,620.49 and 2,209.82

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Solution

The fourth proportional to 4,072.82, 5,620.49 and 2,209.82 is: 3,049.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.82 : 5,620.49 = 2,209.82 : x
  2. Step 2: Convert to fraction form
    4,072.82/5,620.49 = 2,209.82/x
  3. Step 3: Cross multiply
    4,072.82x = 5,620.49 × 2,209.82
  4. Step 4: Simplify right side
    4,072.82x = 12,420,271.21
  5. Step 5: Solve for x
    x = 12,420,271.21/4,072.82
  6. Step 6: Final answer
    x = 3,049.55

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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.