Home / 2,418.45-3,334.71-1,974.97

Finding the Fourth Proportional to 2,418.45, 3,334.71 and 1,974.97

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Solution

The fourth proportional to 2,418.45, 3,334.71 and 1,974.97 is: 2,723.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.45 : 3,334.71 = 1,974.97 : x
  2. Step 2: Convert to fraction form
    2,418.45/3,334.71 = 1,974.97/x
  3. Step 3: Cross multiply
    2,418.45x = 3,334.71 × 1,974.97
  4. Step 4: Simplify right side
    2,418.45x = 6,585,952.21
  5. Step 5: Solve for x
    x = 6,585,952.21/2,418.45
  6. Step 6: Final answer
    x = 2,723.21

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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.