Home / 3,843.75-5,304.06-2,164.62

Finding the Fourth Proportional to 3,843.75, 5,304.06 and 2,164.62

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Solution

The fourth proportional to 3,843.75, 5,304.06 and 2,164.62 is: 2,987.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,843.75 : 5,304.06 = 2,164.62 : x
  2. Step 2: Convert to fraction form
    3,843.75/5,304.06 = 2,164.62/x
  3. Step 3: Cross multiply
    3,843.75x = 5,304.06 × 2,164.62
  4. Step 4: Simplify right side
    3,843.75x = 11,481,274.36
  5. Step 5: Solve for x
    x = 11,481,274.36/3,843.75
  6. Step 6: Final answer
    x = 2,987.00

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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.