Home / 3,419.38-5,125.49-1,936.75

Finding the Fourth Proportional to 3,419.38, 5,125.49 and 1,936.75

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Solution

The fourth proportional to 3,419.38, 5,125.49 and 1,936.75 is: 2,903.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.38 : 5,125.49 = 1,936.75 : x
  2. Step 2: Convert to fraction form
    3,419.38/5,125.49 = 1,936.75/x
  3. Step 3: Cross multiply
    3,419.38x = 5,125.49 × 1,936.75
  4. Step 4: Simplify right side
    3,419.38x = 9,926,792.76
  5. Step 5: Solve for x
    x = 9,926,792.76/3,419.38
  6. Step 6: Final answer
    x = 2,903.10

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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.