Home / 3,850.27-5,776.12-1,218.44

Finding the Fourth Proportional to 3,850.27, 5,776.12 and 1,218.44

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Solution

The fourth proportional to 3,850.27, 5,776.12 and 1,218.44 is: 1,827.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850.27 : 5,776.12 = 1,218.44 : x
  2. Step 2: Convert to fraction form
    3,850.27/5,776.12 = 1,218.44/x
  3. Step 3: Cross multiply
    3,850.27x = 5,776.12 × 1,218.44
  4. Step 4: Simplify right side
    3,850.27x = 7,037,862.31
  5. Step 5: Solve for x
    x = 7,037,862.31/3,850.27
  6. Step 6: Final answer
    x = 1,827.89

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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.