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Finding the Fourth Proportional to 3,383.66, 5,079.12 and 2,841.76

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Solution

The fourth proportional to 3,383.66, 5,079.12 and 2,841.76 is: 4,265.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383.66 : 5,079.12 = 2,841.76 : x
  2. Step 2: Convert to fraction form
    3,383.66/5,079.12 = 2,841.76/x
  3. Step 3: Cross multiply
    3,383.66x = 5,079.12 × 2,841.76
  4. Step 4: Simplify right side
    3,383.66x = 14,433,640.05
  5. Step 5: Solve for x
    x = 14,433,640.05/3,383.66
  6. Step 6: Final answer
    x = 4,265.69

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1.5x scale

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.