Home / 3,682.14-5,515.11-2,379.66

Finding the Fourth Proportional to 3,682.14, 5,515.11 and 2,379.66

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Solution

The fourth proportional to 3,682.14, 5,515.11 and 2,379.66 is: 3,564.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,682.14 : 5,515.11 = 2,379.66 : x
  2. Step 2: Convert to fraction form
    3,682.14/5,515.11 = 2,379.66/x
  3. Step 3: Cross multiply
    3,682.14x = 5,515.11 × 2,379.66
  4. Step 4: Simplify right side
    3,682.14x = 13,124,086.66
  5. Step 5: Solve for x
    x = 13,124,086.66/3,682.14
  6. Step 6: Final answer
    x = 3,564.26

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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.