Home / 3,863.62-5,331.58-2,270.02

Finding the Fourth Proportional to 3,863.62, 5,331.58 and 2,270.02

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Solution

The fourth proportional to 3,863.62, 5,331.58 and 2,270.02 is: 3,132.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.62 : 5,331.58 = 2,270.02 : x
  2. Step 2: Convert to fraction form
    3,863.62/5,331.58 = 2,270.02/x
  3. Step 3: Cross multiply
    3,863.62x = 5,331.58 × 2,270.02
  4. Step 4: Simplify right side
    3,863.62x = 12,102,781.88
  5. Step 5: Solve for x
    x = 12,102,781.88/3,863.62
  6. Step 6: Final answer
    x = 3,132.50

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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.