Home / 3,908.40-5,862.60-1,960.16

Finding the Fourth Proportional to 3,908.40, 5,862.60 and 1,960.16

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Solution

The fourth proportional to 3,908.40, 5,862.60 and 1,960.16 is: 2,940.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908.40 : 5,862.60 = 1,960.16 : x
  2. Step 2: Convert to fraction form
    3,908.40/5,862.60 = 1,960.16/x
  3. Step 3: Cross multiply
    3,908.40x = 5,862.60 × 1,960.16
  4. Step 4: Simplify right side
    3,908.40x = 11,491,604.70
  5. Step 5: Solve for x
    x = 11,491,604.70/3,908.40
  6. Step 6: Final answer
    x = 2,940.23

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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.