Home / 3,383.12-5,070.35-2,942.55

Finding the Fourth Proportional to 3,383.12, 5,070.35 and 2,942.55

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Solution

The fourth proportional to 3,383.12, 5,070.35 and 2,942.55 is: 4,410.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383.12 : 5,070.35 = 2,942.55 : x
  2. Step 2: Convert to fraction form
    3,383.12/5,070.35 = 2,942.55/x
  3. Step 3: Cross multiply
    3,383.12x = 5,070.35 × 2,942.55
  4. Step 4: Simplify right side
    3,383.12x = 14,919,743.68
  5. Step 5: Solve for x
    x = 14,919,743.68/3,383.12
  6. Step 6: Final answer
    x = 4,410.06

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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.