Home / 3,976.54-5,967.86-1,669.66

Finding the Fourth Proportional to 3,976.54, 5,967.86 and 1,669.66

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Solution

The fourth proportional to 3,976.54, 5,967.86 and 1,669.66 is: 2,505.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.54 : 5,967.86 = 1,669.66 : x
  2. Step 2: Convert to fraction form
    3,976.54/5,967.86 = 1,669.66/x
  3. Step 3: Cross multiply
    3,976.54x = 5,967.86 × 1,669.66
  4. Step 4: Simplify right side
    3,976.54x = 9,964,297.13
  5. Step 5: Solve for x
    x = 9,964,297.13/3,976.54
  6. Step 6: Final answer
    x = 2,505.77

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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.