Home / 3,405.52-5,107.89-1,183.93

Finding the Fourth Proportional to 3,405.52, 5,107.89 and 1,183.93

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Solution

The fourth proportional to 3,405.52, 5,107.89 and 1,183.93 is: 1,775.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405.52 : 5,107.89 = 1,183.93 : x
  2. Step 2: Convert to fraction form
    3,405.52/5,107.89 = 1,183.93/x
  3. Step 3: Cross multiply
    3,405.52x = 5,107.89 × 1,183.93
  4. Step 4: Simplify right side
    3,405.52x = 6,047,375.88
  5. Step 5: Solve for x
    x = 6,047,375.88/3,405.52
  6. Step 6: Final answer
    x = 1,775.76

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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.