Home / 3,278.35-4,525.44-1,951.80

Finding the Fourth Proportional to 3,278.35, 4,525.44 and 1,951.80

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Solution

The fourth proportional to 3,278.35, 4,525.44 and 1,951.80 is: 2,694.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.35 : 4,525.44 = 1,951.80 : x
  2. Step 2: Convert to fraction form
    3,278.35/4,525.44 = 1,951.80/x
  3. Step 3: Cross multiply
    3,278.35x = 4,525.44 × 1,951.80
  4. Step 4: Simplify right side
    3,278.35x = 8,832,753.79
  5. Step 5: Solve for x
    x = 8,832,753.79/3,278.35
  6. Step 6: Final answer
    x = 2,694.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.