Home / 3,783.27-5,218.79-2,270.43

Finding the Fourth Proportional to 3,783.27, 5,218.79 and 2,270.43

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Solution

The fourth proportional to 3,783.27, 5,218.79 and 2,270.43 is: 3,131.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783.27 : 5,218.79 = 2,270.43 : x
  2. Step 2: Convert to fraction form
    3,783.27/5,218.79 = 2,270.43/x
  3. Step 3: Cross multiply
    3,783.27x = 5,218.79 × 2,270.43
  4. Step 4: Simplify right side
    3,783.27x = 11,848,886.03
  5. Step 5: Solve for x
    x = 11,848,886.03/3,783.27
  6. Step 6: Final answer
    x = 3,131.91

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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.