Home / 3,684.35-5,084.41-2,005.75

Finding the Fourth Proportional to 3,684.35, 5,084.41 and 2,005.75

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Solution

The fourth proportional to 3,684.35, 5,084.41 and 2,005.75 is: 2,767.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,684.35 : 5,084.41 = 2,005.75 : x
  2. Step 2: Convert to fraction form
    3,684.35/5,084.41 = 2,005.75/x
  3. Step 3: Cross multiply
    3,684.35x = 5,084.41 × 2,005.75
  4. Step 4: Simplify right side
    3,684.35x = 10,198,055.36
  5. Step 5: Solve for x
    x = 10,198,055.36/3,684.35
  6. Step 6: Final answer
    x = 2,767.94

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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.