Home / 3,418.26-4,717.32-2,021.82

Finding the Fourth Proportional to 3,418.26, 4,717.32 and 2,021.82

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Solution

The fourth proportional to 3,418.26, 4,717.32 and 2,021.82 is: 2,790.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.26 : 4,717.32 = 2,021.82 : x
  2. Step 2: Convert to fraction form
    3,418.26/4,717.32 = 2,021.82/x
  3. Step 3: Cross multiply
    3,418.26x = 4,717.32 × 2,021.82
  4. Step 4: Simplify right side
    3,418.26x = 9,537,571.92
  5. Step 5: Solve for x
    x = 9,537,571.92/3,418.26
  6. Step 6: Final answer
    x = 2,790.18

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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.