Home / 2,732.20-4,095.60-1,086.55

Finding the Fourth Proportional to 2,732.20, 4,095.60 and 1,086.55

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Solution

The fourth proportional to 2,732.20, 4,095.60 and 1,086.55 is: 1,628.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,732.20 : 4,095.60 = 1,086.55 : x
  2. Step 2: Convert to fraction form
    2,732.20/4,095.60 = 1,086.55/x
  3. Step 3: Cross multiply
    2,732.20x = 4,095.60 × 1,086.55
  4. Step 4: Simplify right side
    2,732.20x = 4,450,074.18
  5. Step 5: Solve for x
    x = 4,450,074.18/2,732.20
  6. Step 6: Final answer
    x = 1,628.75

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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.