Home / 3,418.97-4,717.60-1,906.19

Finding the Fourth Proportional to 3,418.97, 4,717.60 and 1,906.19

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Solution

The fourth proportional to 3,418.97, 4,717.60 and 1,906.19 is: 2,630.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.97 : 4,717.60 = 1,906.19 : x
  2. Step 2: Convert to fraction form
    3,418.97/4,717.60 = 1,906.19/x
  3. Step 3: Cross multiply
    3,418.97x = 4,717.60 × 1,906.19
  4. Step 4: Simplify right side
    3,418.97x = 8,992,648.97
  5. Step 5: Solve for x
    x = 8,992,648.97/3,418.97
  6. Step 6: Final answer
    x = 2,630.23

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1.5x scale

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.