Home / 3,684.17-5,084.28-2,005.65

Finding the Fourth Proportional to 3,684.17, 5,084.28 and 2,005.65

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Solution

The fourth proportional to 3,684.17, 5,084.28 and 2,005.65 is: 2,767.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,684.17 : 5,084.28 = 2,005.65 : x
  2. Step 2: Convert to fraction form
    3,684.17/5,084.28 = 2,005.65/x
  3. Step 3: Cross multiply
    3,684.17x = 5,084.28 × 2,005.65
  4. Step 4: Simplify right side
    3,684.17x = 10,197,286.18
  5. Step 5: Solve for x
    x = 10,197,286.18/3,684.17
  6. Step 6: Final answer
    x = 2,767.86

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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.