Home / 3,843.87-5,304.53-2,165.24

Finding the Fourth Proportional to 3,843.87, 5,304.53 and 2,165.24

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Solution

The fourth proportional to 3,843.87, 5,304.53 and 2,165.24 is: 2,988.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,843.87 : 5,304.53 = 2,165.24 : x
  2. Step 2: Convert to fraction form
    3,843.87/5,304.53 = 2,165.24/x
  3. Step 3: Cross multiply
    3,843.87x = 5,304.53 × 2,165.24
  4. Step 4: Simplify right side
    3,843.87x = 11,485,580.54
  5. Step 5: Solve for x
    x = 11,485,580.54/3,843.87
  6. Step 6: Final answer
    x = 2,988.03

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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.