Home / 3,682.39-5,081.70-2,110.49

Finding the Fourth Proportional to 3,682.39, 5,081.70 and 2,110.49

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Solution

The fourth proportional to 3,682.39, 5,081.70 and 2,110.49 is: 2,912.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,682.39 : 5,081.70 = 2,110.49 : x
  2. Step 2: Convert to fraction form
    3,682.39/5,081.70 = 2,110.49/x
  3. Step 3: Cross multiply
    3,682.39x = 5,081.70 × 2,110.49
  4. Step 4: Simplify right side
    3,682.39x = 10,724,851.62
  5. Step 5: Solve for x
    x = 10,724,851.62/3,682.39
  6. Step 6: Final answer
    x = 2,912.47

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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.