Home / 2,730.20-4,094.85-1,086.64

Finding the Fourth Proportional to 2,730.20, 4,094.85 and 1,086.64

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Solution

The fourth proportional to 2,730.20, 4,094.85 and 1,086.64 is: 1,629.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.20 : 4,094.85 = 1,086.64 : x
  2. Step 2: Convert to fraction form
    2,730.20/4,094.85 = 1,086.64/x
  3. Step 3: Cross multiply
    2,730.20x = 4,094.85 × 1,086.64
  4. Step 4: Simplify right side
    2,730.20x = 4,449,627.80
  5. Step 5: Solve for x
    x = 4,449,627.80/2,730.20
  6. Step 6: Final answer
    x = 1,629.78

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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.