Home / 3,954.75-5,942.90-2,107.18

Finding the Fourth Proportional to 3,954.75, 5,942.90 and 2,107.18

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Solution

The fourth proportional to 3,954.75, 5,942.90 and 2,107.18 is: 3,166.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,954.75 : 5,942.90 = 2,107.18 : x
  2. Step 2: Convert to fraction form
    3,954.75/5,942.90 = 2,107.18/x
  3. Step 3: Cross multiply
    3,954.75x = 5,942.90 × 2,107.18
  4. Step 4: Simplify right side
    3,954.75x = 12,522,760.02
  5. Step 5: Solve for x
    x = 12,522,760.02/3,954.75
  6. Step 6: Final answer
    x = 3,166.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.