Home / 3,396.83-5,087.03-1,931.54

Finding the Fourth Proportional to 3,396.83, 5,087.03 and 1,931.54

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Solution

The fourth proportional to 3,396.83, 5,087.03 and 1,931.54 is: 2,892.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,396.83 : 5,087.03 = 1,931.54 : x
  2. Step 2: Convert to fraction form
    3,396.83/5,087.03 = 1,931.54/x
  3. Step 3: Cross multiply
    3,396.83x = 5,087.03 × 1,931.54
  4. Step 4: Simplify right side
    3,396.83x = 9,825,766.83
  5. Step 5: Solve for x
    x = 9,825,766.83/3,396.83
  6. Step 6: Final answer
    x = 2,892.63

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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.