Home / 3,851.38-5,780.04-2,866.42

Finding the Fourth Proportional to 3,851.38, 5,780.04 and 2,866.42

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Solution

The fourth proportional to 3,851.38, 5,780.04 and 2,866.42 is: 4,301.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851.38 : 5,780.04 = 2,866.42 : x
  2. Step 2: Convert to fraction form
    3,851.38/5,780.04 = 2,866.42/x
  3. Step 3: Cross multiply
    3,851.38x = 5,780.04 × 2,866.42
  4. Step 4: Simplify right side
    3,851.38x = 16,568,022.26
  5. Step 5: Solve for x
    x = 16,568,022.26/3,851.38
  6. Step 6: Final answer
    x = 4,301.84

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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.