Home / 3,882.33-5,823.77-1,287.09

Finding the Fourth Proportional to 3,882.33, 5,823.77 and 1,287.09

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Solution

The fourth proportional to 3,882.33, 5,823.77 and 1,287.09 is: 1,930.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,882.33 : 5,823.77 = 1,287.09 : x
  2. Step 2: Convert to fraction form
    3,882.33/5,823.77 = 1,287.09/x
  3. Step 3: Cross multiply
    3,882.33x = 5,823.77 × 1,287.09
  4. Step 4: Simplify right side
    3,882.33x = 7,495,709.69
  5. Step 5: Solve for x
    x = 7,495,709.69/3,882.33
  6. Step 6: Final answer
    x = 1,930.72

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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.