Home / 3,843.86-5,304.54-2,165.33

Finding the Fourth Proportional to 3,843.86, 5,304.54 and 2,165.33

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Solution

The fourth proportional to 3,843.86, 5,304.54 and 2,165.33 is: 2,988.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,843.86 : 5,304.54 = 2,165.33 : x
  2. Step 2: Convert to fraction form
    3,843.86/5,304.54 = 2,165.33/x
  3. Step 3: Cross multiply
    3,843.86x = 5,304.54 × 2,165.33
  4. Step 4: Simplify right side
    3,843.86x = 11,486,088.80
  5. Step 5: Solve for x
    x = 11,486,088.80/3,843.86
  6. Step 6: Final answer
    x = 2,988.17

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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.