Home / 3,698.16-5,107.66-2,517.18

Finding the Fourth Proportional to 3,698.16, 5,107.66 and 2,517.18

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Solution

The fourth proportional to 3,698.16, 5,107.66 and 2,517.18 is: 3,476.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,698.16 : 5,107.66 = 2,517.18 : x
  2. Step 2: Convert to fraction form
    3,698.16/5,107.66 = 2,517.18/x
  3. Step 3: Cross multiply
    3,698.16x = 5,107.66 × 2,517.18
  4. Step 4: Simplify right side
    3,698.16x = 12,856,874.15
  5. Step 5: Solve for x
    x = 12,856,874.15/3,698.16
  6. Step 6: Final answer
    x = 3,476.56

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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.