Home / 3,222.16-4,446.36-1,805.80

Finding the Fourth Proportional to 3,222.16, 4,446.36 and 1,805.80

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Solution

The fourth proportional to 3,222.16, 4,446.36 and 1,805.80 is: 2,491.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.16 : 4,446.36 = 1,805.80 : x
  2. Step 2: Convert to fraction form
    3,222.16/4,446.36 = 1,805.80/x
  3. Step 3: Cross multiply
    3,222.16x = 4,446.36 × 1,805.80
  4. Step 4: Simplify right side
    3,222.16x = 8,029,236.89
  5. Step 5: Solve for x
    x = 8,029,236.89/3,222.16
  6. Step 6: Final answer
    x = 2,491.88

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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.