Home / 3,222.96-4,446.30-1,896.12

Finding the Fourth Proportional to 3,222.96, 4,446.30 and 1,896.12

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Solution

The fourth proportional to 3,222.96, 4,446.30 and 1,896.12 is: 2,615.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.96 : 4,446.30 = 1,896.12 : x
  2. Step 2: Convert to fraction form
    3,222.96/4,446.30 = 1,896.12/x
  3. Step 3: Cross multiply
    3,222.96x = 4,446.30 × 1,896.12
  4. Step 4: Simplify right side
    3,222.96x = 8,430,718.36
  5. Step 5: Solve for x
    x = 8,430,718.36/3,222.96
  6. Step 6: Final answer
    x = 2,615.83

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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.