Home / 3,419.25-4,719.78-2,022

Finding the Fourth Proportional to 3,419.25, 4,719.78 and 2,022

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Solution

The fourth proportional to 3,419.25, 4,719.78 and 2,022 is: 2,791.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.25 : 4,719.78 = 2,022 : x
  2. Step 2: Convert to fraction form
    3,419.25/4,719.78 = 2,022/x
  3. Step 3: Cross multiply
    3,419.25x = 4,719.78 × 2,022
  4. Step 4: Simplify right side
    3,419.25x = 9,543,395.16
  5. Step 5: Solve for x
    x = 9,543,395.16/3,419.25
  6. Step 6: Final answer
    x = 2,791.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.