Home / 3,003.62-4,142.90-2,755.76

Finding the Fourth Proportional to 3,003.62, 4,142.90 and 2,755.76

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Solution

The fourth proportional to 3,003.62, 4,142.90 and 2,755.76 is: 3,801.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003.62 : 4,142.90 = 2,755.76 : x
  2. Step 2: Convert to fraction form
    3,003.62/4,142.90 = 2,755.76/x
  3. Step 3: Cross multiply
    3,003.62x = 4,142.90 × 2,755.76
  4. Step 4: Simplify right side
    3,003.62x = 11,416,824.28
  5. Step 5: Solve for x
    x = 11,416,824.28/3,003.62
  6. Step 6: Final answer
    x = 3,801.03

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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.