Home / 3,022.74-4,171.44-1,974.18

Finding the Fourth Proportional to 3,022.74, 4,171.44 and 1,974.18

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Solution

The fourth proportional to 3,022.74, 4,171.44 and 1,974.18 is: 2,724.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022.74 : 4,171.44 = 1,974.18 : x
  2. Step 2: Convert to fraction form
    3,022.74/4,171.44 = 1,974.18/x
  3. Step 3: Cross multiply
    3,022.74x = 4,171.44 × 1,974.18
  4. Step 4: Simplify right side
    3,022.74x = 8,235,173.42
  5. Step 5: Solve for x
    x = 8,235,173.42/3,022.74
  6. Step 6: Final answer
    x = 2,724.41

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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.