Home / 3,208-4,423.03-2,677.65

Finding the Fourth Proportional to 3,208, 4,423.03 and 2,677.65

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Solution

The fourth proportional to 3,208, 4,423.03 and 2,677.65 is: 3,691.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208 : 4,423.03 = 2,677.65 : x
  2. Step 2: Convert to fraction form
    3,208/4,423.03 = 2,677.65/x
  3. Step 3: Cross multiply
    3,208x = 4,423.03 × 2,677.65
  4. Step 4: Simplify right side
    3,208x = 11,843,326.28
  5. Step 5: Solve for x
    x = 11,843,326.28/3,208
  6. Step 6: Final answer
    x = 3,691.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.