Home / 3,233.30-4,837.80-2,139.80

Finding the Fourth Proportional to 3,233.30, 4,837.80 and 2,139.80

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Solution

The fourth proportional to 3,233.30, 4,837.80 and 2,139.80 is: 3,201.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,233.30 : 4,837.80 = 2,139.80 : x
  2. Step 2: Convert to fraction form
    3,233.30/4,837.80 = 2,139.80/x
  3. Step 3: Cross multiply
    3,233.30x = 4,837.80 × 2,139.80
  4. Step 4: Simplify right side
    3,233.30x = 10,351,924.44
  5. Step 5: Solve for x
    x = 10,351,924.44/3,233.30
  6. Step 6: Final answer
    x = 3,201.66

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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.