Home / 3,698.97-5,102.24-2,812.83

Finding the Fourth Proportional to 3,698.97, 5,102.24 and 2,812.83

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Solution

The fourth proportional to 3,698.97, 5,102.24 and 2,812.83 is: 3,879.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,698.97 : 5,102.24 = 2,812.83 : x
  2. Step 2: Convert to fraction form
    3,698.97/5,102.24 = 2,812.83/x
  3. Step 3: Cross multiply
    3,698.97x = 5,102.24 × 2,812.83
  4. Step 4: Simplify right side
    3,698.97x = 14,351,719.68
  5. Step 5: Solve for x
    x = 14,351,719.68/3,698.97
  6. Step 6: Final answer
    x = 3,879.92

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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.