Home / 3,276.16-4,914.62-1,086.28

Finding the Fourth Proportional to 3,276.16, 4,914.62 and 1,086.28

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Solution

The fourth proportional to 3,276.16, 4,914.62 and 1,086.28 is: 1,629.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.16 : 4,914.62 = 1,086.28 : x
  2. Step 2: Convert to fraction form
    3,276.16/4,914.62 = 1,086.28/x
  3. Step 3: Cross multiply
    3,276.16x = 4,914.62 × 1,086.28
  4. Step 4: Simplify right side
    3,276.16x = 5,338,653.41
  5. Step 5: Solve for x
    x = 5,338,653.41/3,276.16
  6. Step 6: Final answer
    x = 1,629.55

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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.