Home / 3,222.46-4,446.91-1,895.86

Finding the Fourth Proportional to 3,222.46, 4,446.91 and 1,895.86

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Solution

The fourth proportional to 3,222.46, 4,446.91 and 1,895.86 is: 2,616.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.46 : 4,446.91 = 1,895.86 : x
  2. Step 2: Convert to fraction form
    3,222.46/4,446.91 = 1,895.86/x
  3. Step 3: Cross multiply
    3,222.46x = 4,446.91 × 1,895.86
  4. Step 4: Simplify right side
    3,222.46x = 8,430,718.79
  5. Step 5: Solve for x
    x = 8,430,718.79/3,222.46
  6. Step 6: Final answer
    x = 2,616.24

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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.