Home / 3,309.20-4,959.71-1,849.38

Finding the Fourth Proportional to 3,309.20, 4,959.71 and 1,849.38

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Solution

The fourth proportional to 3,309.20, 4,959.71 and 1,849.38 is: 2,771.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.20 : 4,959.71 = 1,849.38 : x
  2. Step 2: Convert to fraction form
    3,309.20/4,959.71 = 1,849.38/x
  3. Step 3: Cross multiply
    3,309.20x = 4,959.71 × 1,849.38
  4. Step 4: Simplify right side
    3,309.20x = 9,172,390.27
  5. Step 5: Solve for x
    x = 9,172,390.27/3,309.20
  6. Step 6: Final answer
    x = 2,771.78

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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.