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Finding the Fourth Proportional to 3,149.62, 4,336.62 and 2,676.58

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Solution

The fourth proportional to 3,149.62, 4,336.62 and 2,676.58 is: 3,685.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.62 : 4,336.62 = 2,676.58 : x
  2. Step 2: Convert to fraction form
    3,149.62/4,336.62 = 2,676.58/x
  3. Step 3: Cross multiply
    3,149.62x = 4,336.62 × 2,676.58
  4. Step 4: Simplify right side
    3,149.62x = 11,607,310.36
  5. Step 5: Solve for x
    x = 11,607,310.36/3,149.62
  6. Step 6: Final answer
    x = 3,685.31

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Double scale
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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.