Home / 3,843.68-5,304.56-2,165.27

Finding the Fourth Proportional to 3,843.68, 5,304.56 and 2,165.27

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Solution

The fourth proportional to 3,843.68, 5,304.56 and 2,165.27 is: 2,988.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,843.68 : 5,304.56 = 2,165.27 : x
  2. Step 2: Convert to fraction form
    3,843.68/5,304.56 = 2,165.27/x
  3. Step 3: Cross multiply
    3,843.68x = 5,304.56 × 2,165.27
  4. Step 4: Simplify right side
    3,843.68x = 11,485,804.63
  5. Step 5: Solve for x
    x = 11,485,804.63/3,843.68
  6. Step 6: Final answer
    x = 2,988.23

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1.5x scale

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.