Home / 3,860.91-5,328.03-2,092.53

Finding the Fourth Proportional to 3,860.91, 5,328.03 and 2,092.53

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Solution

The fourth proportional to 3,860.91, 5,328.03 and 2,092.53 is: 2,887.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.91 : 5,328.03 = 2,092.53 : x
  2. Step 2: Convert to fraction form
    3,860.91/5,328.03 = 2,092.53/x
  3. Step 3: Cross multiply
    3,860.91x = 5,328.03 × 2,092.53
  4. Step 4: Simplify right side
    3,860.91x = 11,149,062.62
  5. Step 5: Solve for x
    x = 11,149,062.62/3,860.91
  6. Step 6: Final answer
    x = 2,887.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.