Home / 3,366.64-5,049.72-1,145.29

Finding the Fourth Proportional to 3,366.64, 5,049.72 and 1,145.29

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Solution

The fourth proportional to 3,366.64, 5,049.72 and 1,145.29 is: 1,717.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,366.64 : 5,049.72 = 1,145.29 : x
  2. Step 2: Convert to fraction form
    3,366.64/5,049.72 = 1,145.29/x
  3. Step 3: Cross multiply
    3,366.64x = 5,049.72 × 1,145.29
  4. Step 4: Simplify right side
    3,366.64x = 5,783,387.44
  5. Step 5: Solve for x
    x = 5,783,387.44/3,366.64
  6. Step 6: Final answer
    x = 1,717.85

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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.