Home / 3,270.24-4,512.87-1,778.11

Finding the Fourth Proportional to 3,270.24, 4,512.87 and 1,778.11

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Solution

The fourth proportional to 3,270.24, 4,512.87 and 1,778.11 is: 2,453.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.24 : 4,512.87 = 1,778.11 : x
  2. Step 2: Convert to fraction form
    3,270.24/4,512.87 = 1,778.11/x
  3. Step 3: Cross multiply
    3,270.24x = 4,512.87 × 1,778.11
  4. Step 4: Simplify right side
    3,270.24x = 8,024,367.99
  5. Step 5: Solve for x
    x = 8,024,367.99/3,270.24
  6. Step 6: Final answer
    x = 2,453.76

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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.