Home / 3,872.62-5,344.32-2,104.35

Finding the Fourth Proportional to 3,872.62, 5,344.32 and 2,104.35

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Solution

The fourth proportional to 3,872.62, 5,344.32 and 2,104.35 is: 2,904.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872.62 : 5,344.32 = 2,104.35 : x
  2. Step 2: Convert to fraction form
    3,872.62/5,344.32 = 2,104.35/x
  3. Step 3: Cross multiply
    3,872.62x = 5,344.32 × 2,104.35
  4. Step 4: Simplify right side
    3,872.62x = 11,246,319.79
  5. Step 5: Solve for x
    x = 11,246,319.79/3,872.62
  6. Step 6: Final answer
    x = 2,904.06

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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.