Home / 3,272.72-4,912.71-1,628.83

Finding the Fourth Proportional to 3,272.72, 4,912.71 and 1,628.83

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Solution

The fourth proportional to 3,272.72, 4,912.71 and 1,628.83 is: 2,445.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,272.72 : 4,912.71 = 1,628.83 : x
  2. Step 2: Convert to fraction form
    3,272.72/4,912.71 = 1,628.83/x
  3. Step 3: Cross multiply
    3,272.72x = 4,912.71 × 1,628.83
  4. Step 4: Simplify right side
    3,272.72x = 8,001,944.87
  5. Step 5: Solve for x
    x = 8,001,944.87/3,272.72
  6. Step 6: Final answer
    x = 2,445.04

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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.