Home / 3,276.37-4,911.18-2,105.92

Finding the Fourth Proportional to 3,276.37, 4,911.18 and 2,105.92

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Solution

The fourth proportional to 3,276.37, 4,911.18 and 2,105.92 is: 3,156.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.37 : 4,911.18 = 2,105.92 : x
  2. Step 2: Convert to fraction form
    3,276.37/4,911.18 = 2,105.92/x
  3. Step 3: Cross multiply
    3,276.37x = 4,911.18 × 2,105.92
  4. Step 4: Simplify right side
    3,276.37x = 10,342,552.19
  5. Step 5: Solve for x
    x = 10,342,552.19/3,276.37
  6. Step 6: Final answer
    x = 3,156.71

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1.5x scale

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.