Home / 3,170.88-4,755.40-1,222.63

Finding the Fourth Proportional to 3,170.88, 4,755.40 and 1,222.63

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Solution

The fourth proportional to 3,170.88, 4,755.40 and 1,222.63 is: 1,833.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.88 : 4,755.40 = 1,222.63 : x
  2. Step 2: Convert to fraction form
    3,170.88/4,755.40 = 1,222.63/x
  3. Step 3: Cross multiply
    3,170.88x = 4,755.40 × 1,222.63
  4. Step 4: Simplify right side
    3,170.88x = 5,814,079.76
  5. Step 5: Solve for x
    x = 5,814,079.76/3,170.88
  6. Step 6: Final answer
    x = 1,833.59

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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.