Home / 2,786.86-4,179.06-1,467.64

Finding the Fourth Proportional to 2,786.86, 4,179.06 and 1,467.64

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Solution

The fourth proportional to 2,786.86, 4,179.06 and 1,467.64 is: 2,200.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786.86 : 4,179.06 = 1,467.64 : x
  2. Step 2: Convert to fraction form
    2,786.86/4,179.06 = 1,467.64/x
  3. Step 3: Cross multiply
    2,786.86x = 4,179.06 × 1,467.64
  4. Step 4: Simplify right side
    2,786.86x = 6,133,355.62
  5. Step 5: Solve for x
    x = 6,133,355.62/2,786.86
  6. Step 6: Final answer
    x = 2,200.81

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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.