Home / 3,251.19-4,482.27-2,131.73

Finding the Fourth Proportional to 3,251.19, 4,482.27 and 2,131.73

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Solution

The fourth proportional to 3,251.19, 4,482.27 and 2,131.73 is: 2,938.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.19 : 4,482.27 = 2,131.73 : x
  2. Step 2: Convert to fraction form
    3,251.19/4,482.27 = 2,131.73/x
  3. Step 3: Cross multiply
    3,251.19x = 4,482.27 × 2,131.73
  4. Step 4: Simplify right side
    3,251.19x = 9,554,967.02
  5. Step 5: Solve for x
    x = 9,554,967.02/3,251.19
  6. Step 6: Final answer
    x = 2,938.91

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Double scale
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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.