Home / 3,698.36-5,103.78-2,104.94

Finding the Fourth Proportional to 3,698.36, 5,103.78 and 2,104.94

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Solution

The fourth proportional to 3,698.36, 5,103.78 and 2,104.94 is: 2,904.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,698.36 : 5,103.78 = 2,104.94 : x
  2. Step 2: Convert to fraction form
    3,698.36/5,103.78 = 2,104.94/x
  3. Step 3: Cross multiply
    3,698.36x = 5,103.78 × 2,104.94
  4. Step 4: Simplify right side
    3,698.36x = 10,743,150.67
  5. Step 5: Solve for x
    x = 10,743,150.67/3,698.36
  6. Step 6: Final answer
    x = 2,904.84

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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.