Home / 3,699.11-5,104.80-2,207.70

Finding the Fourth Proportional to 3,699.11, 5,104.80 and 2,207.70

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Solution

The fourth proportional to 3,699.11, 5,104.80 and 2,207.70 is: 3,046.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,699.11 : 5,104.80 = 2,207.70 : x
  2. Step 2: Convert to fraction form
    3,699.11/5,104.80 = 2,207.70/x
  3. Step 3: Cross multiply
    3,699.11x = 5,104.80 × 2,207.70
  4. Step 4: Simplify right side
    3,699.11x = 11,269,866.96
  5. Step 5: Solve for x
    x = 11,269,866.96/3,699.11
  6. Step 6: Final answer
    x = 3,046.65

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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.