Home / 3,682.75-5,082.18-2,110.81

Finding the Fourth Proportional to 3,682.75, 5,082.18 and 2,110.81

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Solution

The fourth proportional to 3,682.75, 5,082.18 and 2,110.81 is: 2,912.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,682.75 : 5,082.18 = 2,110.81 : x
  2. Step 2: Convert to fraction form
    3,682.75/5,082.18 = 2,110.81/x
  3. Step 3: Cross multiply
    3,682.75x = 5,082.18 × 2,110.81
  4. Step 4: Simplify right side
    3,682.75x = 10,727,516.37
  5. Step 5: Solve for x
    x = 10,727,516.37/3,682.75
  6. Step 6: Final answer
    x = 2,912.91

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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.