Home / 3,391.13-5,086.79-1,082.63

Finding the Fourth Proportional to 3,391.13, 5,086.79 and 1,082.63

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Solution

The fourth proportional to 3,391.13, 5,086.79 and 1,082.63 is: 1,623.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.13 : 5,086.79 = 1,082.63 : x
  2. Step 2: Convert to fraction form
    3,391.13/5,086.79 = 1,082.63/x
  3. Step 3: Cross multiply
    3,391.13x = 5,086.79 × 1,082.63
  4. Step 4: Simplify right side
    3,391.13x = 5,507,080.61
  5. Step 5: Solve for x
    x = 5,507,080.61/3,391.13
  6. Step 6: Final answer
    x = 1,623.97

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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.