Home / 2,603.26-3,906.62-1,216.71

Finding the Fourth Proportional to 2,603.26, 3,906.62 and 1,216.71

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Solution

The fourth proportional to 2,603.26, 3,906.62 and 1,216.71 is: 1,825.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,603.26 : 3,906.62 = 1,216.71 : x
  2. Step 2: Convert to fraction form
    2,603.26/3,906.62 = 1,216.71/x
  3. Step 3: Cross multiply
    2,603.26x = 3,906.62 × 1,216.71
  4. Step 4: Simplify right side
    2,603.26x = 4,753,207.13
  5. Step 5: Solve for x
    x = 4,753,207.13/2,603.26
  6. Step 6: Final answer
    x = 1,825.87

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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.