Home / 3,170.70-4,755.69-1,222.74

Finding the Fourth Proportional to 3,170.70, 4,755.69 and 1,222.74

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Solution

The fourth proportional to 3,170.70, 4,755.69 and 1,222.74 is: 1,833.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.70 : 4,755.69 = 1,222.74 : x
  2. Step 2: Convert to fraction form
    3,170.70/4,755.69 = 1,222.74/x
  3. Step 3: Cross multiply
    3,170.70x = 4,755.69 × 1,222.74
  4. Step 4: Simplify right side
    3,170.70x = 5,814,972.39
  5. Step 5: Solve for x
    x = 5,814,972.39/3,170.70
  6. Step 6: Final answer
    x = 1,833.97

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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.