Home / 3,910-5,867.72-1,601.52

Finding the Fourth Proportional to 3,910, 5,867.72 and 1,601.52

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Solution

The fourth proportional to 3,910, 5,867.72 and 1,601.52 is: 2,403.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910 : 5,867.72 = 1,601.52 : x
  2. Step 2: Convert to fraction form
    3,910/5,867.72 = 1,601.52/x
  3. Step 3: Cross multiply
    3,910x = 5,867.72 × 1,601.52
  4. Step 4: Simplify right side
    3,910x = 9,397,270.93
  5. Step 5: Solve for x
    x = 9,397,270.93/3,910
  6. Step 6: Final answer
    x = 2,403.39

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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.