Home / 2,837.22-4,247.94-2,141.78

Finding the Fourth Proportional to 2,837.22, 4,247.94 and 2,141.78

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Solution

The fourth proportional to 2,837.22, 4,247.94 and 2,141.78 is: 3,206.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,837.22 : 4,247.94 = 2,141.78 : x
  2. Step 2: Convert to fraction form
    2,837.22/4,247.94 = 2,141.78/x
  3. Step 3: Cross multiply
    2,837.22x = 4,247.94 × 2,141.78
  4. Step 4: Simplify right side
    2,837.22x = 9,098,152.93
  5. Step 5: Solve for x
    x = 9,098,152.93/2,837.22
  6. Step 6: Final answer
    x = 3,206.71

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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.