Home / 3,685.96-5,086.70-2,194.08

Finding the Fourth Proportional to 3,685.96, 5,086.70 and 2,194.08

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Solution

The fourth proportional to 3,685.96, 5,086.70 and 2,194.08 is: 3,027.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685.96 : 5,086.70 = 2,194.08 : x
  2. Step 2: Convert to fraction form
    3,685.96/5,086.70 = 2,194.08/x
  3. Step 3: Cross multiply
    3,685.96x = 5,086.70 × 2,194.08
  4. Step 4: Simplify right side
    3,685.96x = 11,160,590.33
  5. Step 5: Solve for x
    x = 11,160,590.33/3,685.96
  6. Step 6: Final answer
    x = 3,027.87

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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.