Home / 3,399.62-5,099.42-1,208.34

Finding the Fourth Proportional to 3,399.62, 5,099.42 and 1,208.34

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Solution

The fourth proportional to 3,399.62, 5,099.42 and 1,208.34 is: 1,812.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399.62 : 5,099.42 = 1,208.34 : x
  2. Step 2: Convert to fraction form
    3,399.62/5,099.42 = 1,208.34/x
  3. Step 3: Cross multiply
    3,399.62x = 5,099.42 × 1,208.34
  4. Step 4: Simplify right side
    3,399.62x = 6,161,836.18
  5. Step 5: Solve for x
    x = 6,161,836.18/3,399.62
  6. Step 6: Final answer
    x = 1,812.51

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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.