Home / 3,233.75-4,851.21-2,139.02

Finding the Fourth Proportional to 3,233.75, 4,851.21 and 2,139.02

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Solution

The fourth proportional to 3,233.75, 4,851.21 and 2,139.02 is: 3,208.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,233.75 : 4,851.21 = 2,139.02 : x
  2. Step 2: Convert to fraction form
    3,233.75/4,851.21 = 2,139.02/x
  3. Step 3: Cross multiply
    3,233.75x = 4,851.21 × 2,139.02
  4. Step 4: Simplify right side
    3,233.75x = 10,376,835.21
  5. Step 5: Solve for x
    x = 10,376,835.21/3,233.75
  6. Step 6: Final answer
    x = 3,208.92

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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.