Home / 3,222.92-4,446.96-1,896.32

Finding the Fourth Proportional to 3,222.92, 4,446.96 and 1,896.32

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Solution

The fourth proportional to 3,222.92, 4,446.96 and 1,896.32 is: 2,616.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.92 : 4,446.96 = 1,896.32 : x
  2. Step 2: Convert to fraction form
    3,222.92/4,446.96 = 1,896.32/x
  3. Step 3: Cross multiply
    3,222.92x = 4,446.96 × 1,896.32
  4. Step 4: Simplify right side
    3,222.92x = 8,432,859.19
  5. Step 5: Solve for x
    x = 8,432,859.19/3,222.92
  6. Step 6: Final answer
    x = 2,616.53

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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.