Home / 3,869.52-5,801.68-1,788.38

Finding the Fourth Proportional to 3,869.52, 5,801.68 and 1,788.38

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Solution

The fourth proportional to 3,869.52, 5,801.68 and 1,788.38 is: 2,681.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,869.52 : 5,801.68 = 1,788.38 : x
  2. Step 2: Convert to fraction form
    3,869.52/5,801.68 = 1,788.38/x
  3. Step 3: Cross multiply
    3,869.52x = 5,801.68 × 1,788.38
  4. Step 4: Simplify right side
    3,869.52x = 10,375,608.48
  5. Step 5: Solve for x
    x = 10,375,608.48/3,869.52
  6. Step 6: Final answer
    x = 2,681.37

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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.