Home / 3,179.39-4,771.82-2,766.60

Finding the Fourth Proportional to 3,179.39, 4,771.82 and 2,766.60

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Solution

The fourth proportional to 3,179.39, 4,771.82 and 2,766.60 is: 4,152.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.39 : 4,771.82 = 2,766.60 : x
  2. Step 2: Convert to fraction form
    3,179.39/4,771.82 = 2,766.60/x
  3. Step 3: Cross multiply
    3,179.39x = 4,771.82 × 2,766.60
  4. Step 4: Simplify right side
    3,179.39x = 13,201,712.20
  5. Step 5: Solve for x
    x = 13,201,712.20/3,179.39
  6. Step 6: Final answer
    x = 4,152.28

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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.