Home / 3,022.17-4,171.41-1,974.21

Finding the Fourth Proportional to 3,022.17, 4,171.41 and 1,974.21

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Solution

The fourth proportional to 3,022.17, 4,171.41 and 1,974.21 is: 2,724.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022.17 : 4,171.41 = 1,974.21 : x
  2. Step 2: Convert to fraction form
    3,022.17/4,171.41 = 1,974.21/x
  3. Step 3: Cross multiply
    3,022.17x = 4,171.41 × 1,974.21
  4. Step 4: Simplify right side
    3,022.17x = 8,235,239.34
  5. Step 5: Solve for x
    x = 8,235,239.34/3,022.17
  6. Step 6: Final answer
    x = 2,724.94

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1.5x scale

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.