Home / 2,571.97-3,549.32-1,393.04

Finding the Fourth Proportional to 2,571.97, 3,549.32 and 1,393.04

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Solution

The fourth proportional to 2,571.97, 3,549.32 and 1,393.04 is: 1,922.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,571.97 : 3,549.32 = 1,393.04 : x
  2. Step 2: Convert to fraction form
    2,571.97/3,549.32 = 1,393.04/x
  3. Step 3: Cross multiply
    2,571.97x = 3,549.32 × 1,393.04
  4. Step 4: Simplify right side
    2,571.97x = 4,944,344.73
  5. Step 5: Solve for x
    x = 4,944,344.73/2,571.97
  6. Step 6: Final answer
    x = 1,922.40

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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.