Home / 3,698.92-5,104.98-2,106.18

Finding the Fourth Proportional to 3,698.92, 5,104.98 and 2,106.18

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Solution

The fourth proportional to 3,698.92, 5,104.98 and 2,106.18 is: 2,906.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,698.92 : 5,104.98 = 2,106.18 : x
  2. Step 2: Convert to fraction form
    3,698.92/5,104.98 = 2,106.18/x
  3. Step 3: Cross multiply
    3,698.92x = 5,104.98 × 2,106.18
  4. Step 4: Simplify right side
    3,698.92x = 10,752,006.78
  5. Step 5: Solve for x
    x = 10,752,006.78/3,698.92
  6. Step 6: Final answer
    x = 2,906.80

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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.