Home / 3,270.59-4,512.60-2,011.85

Finding the Fourth Proportional to 3,270.59, 4,512.60 and 2,011.85

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Solution

The fourth proportional to 3,270.59, 4,512.60 and 2,011.85 is: 2,775.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.59 : 4,512.60 = 2,011.85 : x
  2. Step 2: Convert to fraction form
    3,270.59/4,512.60 = 2,011.85/x
  3. Step 3: Cross multiply
    3,270.59x = 4,512.60 × 2,011.85
  4. Step 4: Simplify right side
    3,270.59x = 9,078,651.75
  5. Step 5: Solve for x
    x = 9,078,651.75/3,270.59
  6. Step 6: Final answer
    x = 2,775.85

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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.