Home / 3,566.80-5,351.71-1,921.43

Finding the Fourth Proportional to 3,566.80, 5,351.71 and 1,921.43

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Solution

The fourth proportional to 3,566.80, 5,351.71 and 1,921.43 is: 2,882.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,566.80 : 5,351.71 = 1,921.43 : x
  2. Step 2: Convert to fraction form
    3,566.80/5,351.71 = 1,921.43/x
  3. Step 3: Cross multiply
    3,566.80x = 5,351.71 × 1,921.43
  4. Step 4: Simplify right side
    3,566.80x = 10,282,936.15
  5. Step 5: Solve for x
    x = 10,282,936.15/3,566.80
  6. Step 6: Final answer
    x = 2,882.96

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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.