Home / 3,431.62-5,132.60-2,022.70

Finding the Fourth Proportional to 3,431.62, 5,132.60 and 2,022.70

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Solution

The fourth proportional to 3,431.62, 5,132.60 and 2,022.70 is: 3,025.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431.62 : 5,132.60 = 2,022.70 : x
  2. Step 2: Convert to fraction form
    3,431.62/5,132.60 = 2,022.70/x
  3. Step 3: Cross multiply
    3,431.62x = 5,132.60 × 2,022.70
  4. Step 4: Simplify right side
    3,431.62x = 10,381,689.85
  5. Step 5: Solve for x
    x = 10,381,689.85/3,431.62
  6. Step 6: Final answer
    x = 3,025.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.