Home / 3,872.30-5,342.04-2,612.97

Finding the Fourth Proportional to 3,872.30, 5,342.04 and 2,612.97

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Solution

The fourth proportional to 3,872.30, 5,342.04 and 2,612.97 is: 3,604.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872.30 : 5,342.04 = 2,612.97 : x
  2. Step 2: Convert to fraction form
    3,872.30/5,342.04 = 2,612.97/x
  3. Step 3: Cross multiply
    3,872.30x = 5,342.04 × 2,612.97
  4. Step 4: Simplify right side
    3,872.30x = 13,958,590.26
  5. Step 5: Solve for x
    x = 13,958,590.26/3,872.30
  6. Step 6: Final answer
    x = 3,604.73

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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.