Home / 3,761.88-5,631.66-2,113.44

Finding the Fourth Proportional to 3,761.88, 5,631.66 and 2,113.44

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Solution

The fourth proportional to 3,761.88, 5,631.66 and 2,113.44 is: 3,163.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761.88 : 5,631.66 = 2,113.44 : x
  2. Step 2: Convert to fraction form
    3,761.88/5,631.66 = 2,113.44/x
  3. Step 3: Cross multiply
    3,761.88x = 5,631.66 × 2,113.44
  4. Step 4: Simplify right side
    3,761.88x = 11,902,175.51
  5. Step 5: Solve for x
    x = 11,902,175.51/3,761.88
  6. Step 6: Final answer
    x = 3,163.89

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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.