Home / 3,277-4,915-1,085.46

Finding the Fourth Proportional to 3,277, 4,915 and 1,085.46

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Solution

The fourth proportional to 3,277, 4,915 and 1,085.46 is: 1,628.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,277 : 4,915 = 1,085.46 : x
  2. Step 2: Convert to fraction form
    3,277/4,915 = 1,085.46/x
  3. Step 3: Cross multiply
    3,277x = 4,915 × 1,085.46
  4. Step 4: Simplify right side
    3,277x = 5,335,035.90
  5. Step 5: Solve for x
    x = 5,335,035.90/3,277
  6. Step 6: Final answer
    x = 1,628.02

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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.