Home / 3,390.76-5,086.94-1,082.26

Finding the Fourth Proportional to 3,390.76, 5,086.94 and 1,082.26

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Solution

The fourth proportional to 3,390.76, 5,086.94 and 1,082.26 is: 1,623.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390.76 : 5,086.94 = 1,082.26 : x
  2. Step 2: Convert to fraction form
    3,390.76/5,086.94 = 1,082.26/x
  3. Step 3: Cross multiply
    3,390.76x = 5,086.94 × 1,082.26
  4. Step 4: Simplify right side
    3,390.76x = 5,505,391.68
  5. Step 5: Solve for x
    x = 5,505,391.68/3,390.76
  6. Step 6: Final answer
    x = 1,623.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.