Home / 3,170.80-4,375.08-1,773.28

Finding the Fourth Proportional to 3,170.80, 4,375.08 and 1,773.28

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Solution

The fourth proportional to 3,170.80, 4,375.08 and 1,773.28 is: 2,446.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.80 : 4,375.08 = 1,773.28 : x
  2. Step 2: Convert to fraction form
    3,170.80/4,375.08 = 1,773.28/x
  3. Step 3: Cross multiply
    3,170.80x = 4,375.08 × 1,773.28
  4. Step 4: Simplify right side
    3,170.80x = 7,758,241.86
  5. Step 5: Solve for x
    x = 7,758,241.86/3,170.80
  6. Step 6: Final answer
    x = 2,446.78

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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.