Home / 3,179.82-4,765.41-1,794.06

Finding the Fourth Proportional to 3,179.82, 4,765.41 and 1,794.06

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Solution

The fourth proportional to 3,179.82, 4,765.41 and 1,794.06 is: 2,688.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.82 : 4,765.41 = 1,794.06 : x
  2. Step 2: Convert to fraction form
    3,179.82/4,765.41 = 1,794.06/x
  3. Step 3: Cross multiply
    3,179.82x = 4,765.41 × 1,794.06
  4. Step 4: Simplify right side
    3,179.82x = 8,549,431.46
  5. Step 5: Solve for x
    x = 8,549,431.46/3,179.82
  6. Step 6: Final answer
    x = 2,688.65

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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.