Home / 3,684.76-5,086.85-2,843.57

Finding the Fourth Proportional to 3,684.76, 5,086.85 and 2,843.57

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Solution

The fourth proportional to 3,684.76, 5,086.85 and 2,843.57 is: 3,925.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,684.76 : 5,086.85 = 2,843.57 : x
  2. Step 2: Convert to fraction form
    3,684.76/5,086.85 = 2,843.57/x
  3. Step 3: Cross multiply
    3,684.76x = 5,086.85 × 2,843.57
  4. Step 4: Simplify right side
    3,684.76x = 14,464,814.05
  5. Step 5: Solve for x
    x = 14,464,814.05/3,684.76
  6. Step 6: Final answer
    x = 3,925.58

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Half scale
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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.