Home / 4,072.57-5,620.17-2,209.57

Finding the Fourth Proportional to 4,072.57, 5,620.17 and 2,209.57

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Solution

The fourth proportional to 4,072.57, 5,620.17 and 2,209.57 is: 3,049.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.57 : 5,620.17 = 2,209.57 : x
  2. Step 2: Convert to fraction form
    4,072.57/5,620.17 = 2,209.57/x
  3. Step 3: Cross multiply
    4,072.57x = 5,620.17 × 2,209.57
  4. Step 4: Simplify right side
    4,072.57x = 12,418,159.03
  5. Step 5: Solve for x
    x = 12,418,159.03/4,072.57
  6. Step 6: Final answer
    x = 3,049.22

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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.