Home / 3,682.16-5,081.44-2,110.80

Finding the Fourth Proportional to 3,682.16, 5,081.44 and 2,110.80

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Solution

The fourth proportional to 3,682.16, 5,081.44 and 2,110.80 is: 2,912.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,682.16 : 5,081.44 = 2,110.80 : x
  2. Step 2: Convert to fraction form
    3,682.16/5,081.44 = 2,110.80/x
  3. Step 3: Cross multiply
    3,682.16x = 5,081.44 × 2,110.80
  4. Step 4: Simplify right side
    3,682.16x = 10,725,903.55
  5. Step 5: Solve for x
    x = 10,725,903.55/3,682.16
  6. Step 6: Final answer
    x = 2,912.94

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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.