Home / 3,206.05-4,809.70-1,231.53

Finding the Fourth Proportional to 3,206.05, 4,809.70 and 1,231.53

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Solution

The fourth proportional to 3,206.05, 4,809.70 and 1,231.53 is: 1,847.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.05 : 4,809.70 = 1,231.53 : x
  2. Step 2: Convert to fraction form
    3,206.05/4,809.70 = 1,231.53/x
  3. Step 3: Cross multiply
    3,206.05x = 4,809.70 × 1,231.53
  4. Step 4: Simplify right side
    3,206.05x = 5,923,283.68
  5. Step 5: Solve for x
    x = 5,923,283.68/3,206.05
  6. Step 6: Final answer
    x = 1,847.53

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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.