Home / 3,419.87-5,125.68-1,568.43

Finding the Fourth Proportional to 3,419.87, 5,125.68 and 1,568.43

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Solution

The fourth proportional to 3,419.87, 5,125.68 and 1,568.43 is: 2,350.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.87 : 5,125.68 = 1,568.43 : x
  2. Step 2: Convert to fraction form
    3,419.87/5,125.68 = 1,568.43/x
  3. Step 3: Cross multiply
    3,419.87x = 5,125.68 × 1,568.43
  4. Step 4: Simplify right side
    3,419.87x = 8,039,270.28
  5. Step 5: Solve for x
    x = 8,039,270.28/3,419.87
  6. Step 6: Final answer
    x = 2,350.76

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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.