Home / 3,815.33-5,723.09-1,218.27

Finding the Fourth Proportional to 3,815.33, 5,723.09 and 1,218.27

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Solution

The fourth proportional to 3,815.33, 5,723.09 and 1,218.27 is: 1,827.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.33 : 5,723.09 = 1,218.27 : x
  2. Step 2: Convert to fraction form
    3,815.33/5,723.09 = 1,218.27/x
  3. Step 3: Cross multiply
    3,815.33x = 5,723.09 × 1,218.27
  4. Step 4: Simplify right side
    3,815.33x = 6,972,268.85
  5. Step 5: Solve for x
    x = 6,972,268.85/3,815.33
  6. Step 6: Final answer
    x = 1,827.44

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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.