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Finding the Fourth Proportional to 3,894.03, 5,841.12 and 1,395.38

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Solution

The fourth proportional to 3,894.03, 5,841.12 and 1,395.38 is: 2,093.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,894.03 : 5,841.12 = 1,395.38 : x
  2. Step 2: Convert to fraction form
    3,894.03/5,841.12 = 1,395.38/x
  3. Step 3: Cross multiply
    3,894.03x = 5,841.12 × 1,395.38
  4. Step 4: Simplify right side
    3,894.03x = 8,150,552.82
  5. Step 5: Solve for x
    x = 8,150,552.82/3,894.03
  6. Step 6: Final answer
    x = 2,093.09

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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.