Home / 3,276.78-4,915.89-1,632.66

Finding the Fourth Proportional to 3,276.78, 4,915.89 and 1,632.66

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Solution

The fourth proportional to 3,276.78, 4,915.89 and 1,632.66 is: 2,449.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.78 : 4,915.89 = 1,632.66 : x
  2. Step 2: Convert to fraction form
    3,276.78/4,915.89 = 1,632.66/x
  3. Step 3: Cross multiply
    3,276.78x = 4,915.89 × 1,632.66
  4. Step 4: Simplify right side
    3,276.78x = 8,025,976.97
  5. Step 5: Solve for x
    x = 8,025,976.97/3,276.78
  6. Step 6: Final answer
    x = 2,449.35

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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.