Home / 3,270.23-4,512.93-1,778.15

Finding the Fourth Proportional to 3,270.23, 4,512.93 and 1,778.15

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Solution

The fourth proportional to 3,270.23, 4,512.93 and 1,778.15 is: 2,453.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.23 : 4,512.93 = 1,778.15 : x
  2. Step 2: Convert to fraction form
    3,270.23/4,512.93 = 1,778.15/x
  3. Step 3: Cross multiply
    3,270.23x = 4,512.93 × 1,778.15
  4. Step 4: Simplify right side
    3,270.23x = 8,024,657.59
  5. Step 5: Solve for x
    x = 8,024,657.59/3,270.23
  6. Step 6: Final answer
    x = 2,453.85

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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.