Home / 3,683.09-5,082.39-2,110.88

Finding the Fourth Proportional to 3,683.09, 5,082.39 and 2,110.88

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Solution

The fourth proportional to 3,683.09, 5,082.39 and 2,110.88 is: 2,912.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,683.09 : 5,082.39 = 2,110.88 : x
  2. Step 2: Convert to fraction form
    3,683.09/5,082.39 = 2,110.88/x
  3. Step 3: Cross multiply
    3,683.09x = 5,082.39 × 2,110.88
  4. Step 4: Simplify right side
    3,683.09x = 10,728,289.99
  5. Step 5: Solve for x
    x = 10,728,289.99/3,683.09
  6. Step 6: Final answer
    x = 2,912.85

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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.