Home / 3,108.48-4,661.46-1,375.92

Finding the Fourth Proportional to 3,108.48, 4,661.46 and 1,375.92

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Solution

The fourth proportional to 3,108.48, 4,661.46 and 1,375.92 is: 2,063.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.48 : 4,661.46 = 1,375.92 : x
  2. Step 2: Convert to fraction form
    3,108.48/4,661.46 = 1,375.92/x
  3. Step 3: Cross multiply
    3,108.48x = 4,661.46 × 1,375.92
  4. Step 4: Simplify right side
    3,108.48x = 6,413,796.04
  5. Step 5: Solve for x
    x = 6,413,796.04/3,108.48
  6. Step 6: Final answer
    x = 2,063.32

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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.