Home / 3,874.05-5,350.56-2,612.91

Finding the Fourth Proportional to 3,874.05, 5,350.56 and 2,612.91

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Solution

The fourth proportional to 3,874.05, 5,350.56 and 2,612.91 is: 3,608.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,874.05 : 5,350.56 = 2,612.91 : x
  2. Step 2: Convert to fraction form
    3,874.05/5,350.56 = 2,612.91/x
  3. Step 3: Cross multiply
    3,874.05x = 5,350.56 × 2,612.91
  4. Step 4: Simplify right side
    3,874.05x = 13,980,531.73
  5. Step 5: Solve for x
    x = 13,980,531.73/3,874.05
  6. Step 6: Final answer
    x = 3,608.76

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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.