Home / 3,902.14-5,857.86-3,081.04

Finding the Fourth Proportional to 3,902.14, 5,857.86 and 3,081.04

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Solution

The fourth proportional to 3,902.14, 5,857.86 and 3,081.04 is: 4,625.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,902.14 : 5,857.86 = 3,081.04 : x
  2. Step 2: Convert to fraction form
    3,902.14/5,857.86 = 3,081.04/x
  3. Step 3: Cross multiply
    3,902.14x = 5,857.86 × 3,081.04
  4. Step 4: Simplify right side
    3,902.14x = 18,048,300.97
  5. Step 5: Solve for x
    x = 18,048,300.97/3,902.14
  6. Step 6: Final answer
    x = 4,625.23

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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.