Home / 3,816.72-5,725.62-1,968.03

Finding the Fourth Proportional to 3,816.72, 5,725.62 and 1,968.03

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Solution

The fourth proportional to 3,816.72, 5,725.62 and 1,968.03 is: 2,952.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.72 : 5,725.62 = 1,968.03 : x
  2. Step 2: Convert to fraction form
    3,816.72/5,725.62 = 1,968.03/x
  3. Step 3: Cross multiply
    3,816.72x = 5,725.62 × 1,968.03
  4. Step 4: Simplify right side
    3,816.72x = 11,268,191.93
  5. Step 5: Solve for x
    x = 11,268,191.93/3,816.72
  6. Step 6: Final answer
    x = 2,952.32

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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.