Home / 3,684.29-5,084.46-2,005.79

Finding the Fourth Proportional to 3,684.29, 5,084.46 and 2,005.79

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Solution

The fourth proportional to 3,684.29, 5,084.46 and 2,005.79 is: 2,768.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,684.29 : 5,084.46 = 2,005.79 : x
  2. Step 2: Convert to fraction form
    3,684.29/5,084.46 = 2,005.79/x
  3. Step 3: Cross multiply
    3,684.29x = 5,084.46 × 2,005.79
  4. Step 4: Simplify right side
    3,684.29x = 10,198,359.02
  5. Step 5: Solve for x
    x = 10,198,359.02/3,684.29
  6. Step 6: Final answer
    x = 2,768.07

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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.