Home / 3,270.59-4,906.35-1,190.21

Finding the Fourth Proportional to 3,270.59, 4,906.35 and 1,190.21

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Solution

The fourth proportional to 3,270.59, 4,906.35 and 1,190.21 is: 1,785.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.59 : 4,906.35 = 1,190.21 : x
  2. Step 2: Convert to fraction form
    3,270.59/4,906.35 = 1,190.21/x
  3. Step 3: Cross multiply
    3,270.59x = 4,906.35 × 1,190.21
  4. Step 4: Simplify right side
    3,270.59x = 5,839,586.55
  5. Step 5: Solve for x
    x = 5,839,586.55/3,270.59
  6. Step 6: Final answer
    x = 1,785.48

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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.