Home / 3,578.22-5,366.52-1,112.99

Finding the Fourth Proportional to 3,578.22, 5,366.52 and 1,112.99

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Solution

The fourth proportional to 3,578.22, 5,366.52 and 1,112.99 is: 1,669.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.22 : 5,366.52 = 1,112.99 : x
  2. Step 2: Convert to fraction form
    3,578.22/5,366.52 = 1,112.99/x
  3. Step 3: Cross multiply
    3,578.22x = 5,366.52 × 1,112.99
  4. Step 4: Simplify right side
    3,578.22x = 5,972,856.26
  5. Step 5: Solve for x
    x = 5,972,856.26/3,578.22
  6. Step 6: Final answer
    x = 1,669.23

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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.