Home / 2,654.36-3,983.14-2,108.44

Finding the Fourth Proportional to 2,654.36, 3,983.14 and 2,108.44

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Solution

The fourth proportional to 2,654.36, 3,983.14 and 2,108.44 is: 3,163.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,654.36 : 3,983.14 = 2,108.44 : x
  2. Step 2: Convert to fraction form
    2,654.36/3,983.14 = 2,108.44/x
  3. Step 3: Cross multiply
    2,654.36x = 3,983.14 × 2,108.44
  4. Step 4: Simplify right side
    2,654.36x = 8,398,211.70
  5. Step 5: Solve for x
    x = 8,398,211.70/2,654.36
  6. Step 6: Final answer
    x = 3,163.93

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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.