Home / 3,270.24-4,512.78-1,944.09

Finding the Fourth Proportional to 3,270.24, 4,512.78 and 1,944.09

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Solution

The fourth proportional to 3,270.24, 4,512.78 and 1,944.09 is: 2,682.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.24 : 4,512.78 = 1,944.09 : x
  2. Step 2: Convert to fraction form
    3,270.24/4,512.78 = 1,944.09/x
  3. Step 3: Cross multiply
    3,270.24x = 4,512.78 × 1,944.09
  4. Step 4: Simplify right side
    3,270.24x = 8,773,250.47
  5. Step 5: Solve for x
    x = 8,773,250.47/3,270.24
  6. Step 6: Final answer
    x = 2,682.75

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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.