Home / 3,761.93-5,644.91-2,118.60

Finding the Fourth Proportional to 3,761.93, 5,644.91 and 2,118.60

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Solution

The fourth proportional to 3,761.93, 5,644.91 and 2,118.60 is: 3,179.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761.93 : 5,644.91 = 2,118.60 : x
  2. Step 2: Convert to fraction form
    3,761.93/5,644.91 = 2,118.60/x
  3. Step 3: Cross multiply
    3,761.93x = 5,644.91 × 2,118.60
  4. Step 4: Simplify right side
    3,761.93x = 11,959,311.62
  5. Step 5: Solve for x
    x = 11,959,311.62/3,761.93
  6. Step 6: Final answer
    x = 3,179.03

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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.