Home / 3,233.79-4,849.43-1,385.79

Finding the Fourth Proportional to 3,233.79, 4,849.43 and 1,385.79

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Solution

The fourth proportional to 3,233.79, 4,849.43 and 1,385.79 is: 2,078.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,233.79 : 4,849.43 = 1,385.79 : x
  2. Step 2: Convert to fraction form
    3,233.79/4,849.43 = 1,385.79/x
  3. Step 3: Cross multiply
    3,233.79x = 4,849.43 × 1,385.79
  4. Step 4: Simplify right side
    3,233.79x = 6,720,284.67
  5. Step 5: Solve for x
    x = 6,720,284.67/3,233.79
  6. Step 6: Final answer
    x = 2,078.15

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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.