Home / 3,684.23-5,084.27-2,005.71

Finding the Fourth Proportional to 3,684.23, 5,084.27 and 2,005.71

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Solution

The fourth proportional to 3,684.23, 5,084.27 and 2,005.71 is: 2,767.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,684.23 : 5,084.27 = 2,005.71 : x
  2. Step 2: Convert to fraction form
    3,684.23/5,084.27 = 2,005.71/x
  3. Step 3: Cross multiply
    3,684.23x = 5,084.27 × 2,005.71
  4. Step 4: Simplify right side
    3,684.23x = 10,197,578.21
  5. Step 5: Solve for x
    x = 10,197,578.21/3,684.23
  6. Step 6: Final answer
    x = 2,767.90

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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.