Home / 3,976.15-5,967.04-1,638.27

Finding the Fourth Proportional to 3,976.15, 5,967.04 and 1,638.27

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Solution

The fourth proportional to 3,976.15, 5,967.04 and 1,638.27 is: 2,458.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.15 : 5,967.04 = 1,638.27 : x
  2. Step 2: Convert to fraction form
    3,976.15/5,967.04 = 1,638.27/x
  3. Step 3: Cross multiply
    3,976.15x = 5,967.04 × 1,638.27
  4. Step 4: Simplify right side
    3,976.15x = 9,775,622.62
  5. Step 5: Solve for x
    x = 9,775,622.62/3,976.15
  6. Step 6: Final answer
    x = 2,458.56

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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.