Home / 3,278.64-4,910.16-2,104.92

Finding the Fourth Proportional to 3,278.64, 4,910.16 and 2,104.92

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Solution

The fourth proportional to 3,278.64, 4,910.16 and 2,104.92 is: 3,152.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.64 : 4,910.16 = 2,104.92 : x
  2. Step 2: Convert to fraction form
    3,278.64/4,910.16 = 2,104.92/x
  3. Step 3: Cross multiply
    3,278.64x = 4,910.16 × 2,104.92
  4. Step 4: Simplify right side
    3,278.64x = 10,335,493.99
  5. Step 5: Solve for x
    x = 10,335,493.99/3,278.64
  6. Step 6: Final answer
    x = 3,152.37

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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.