Home / 3,817.08-5,267.82-2,138.43

Finding the Fourth Proportional to 3,817.08, 5,267.82 and 2,138.43

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Solution

The fourth proportional to 3,817.08, 5,267.82 and 2,138.43 is: 2,951.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,817.08 : 5,267.82 = 2,138.43 : x
  2. Step 2: Convert to fraction form
    3,817.08/5,267.82 = 2,138.43/x
  3. Step 3: Cross multiply
    3,817.08x = 5,267.82 × 2,138.43
  4. Step 4: Simplify right side
    3,817.08x = 11,264,864.32
  5. Step 5: Solve for x
    x = 11,264,864.32/3,817.08
  6. Step 6: Final answer
    x = 2,951.17

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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.