Home / 3,391.26-5,086.88-1,082.76

Finding the Fourth Proportional to 3,391.26, 5,086.88 and 1,082.76

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Solution

The fourth proportional to 3,391.26, 5,086.88 and 1,082.76 is: 1,624.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.26 : 5,086.88 = 1,082.76 : x
  2. Step 2: Convert to fraction form
    3,391.26/5,086.88 = 1,082.76/x
  3. Step 3: Cross multiply
    3,391.26x = 5,086.88 × 1,082.76
  4. Step 4: Simplify right side
    3,391.26x = 5,507,870.19
  5. Step 5: Solve for x
    x = 5,507,870.19/3,391.26
  6. Step 6: Final answer
    x = 1,624.14

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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.