Home / 2,380.35-3,571.13-1,922.29

Finding the Fourth Proportional to 2,380.35, 3,571.13 and 1,922.29

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Solution

The fourth proportional to 2,380.35, 3,571.13 and 1,922.29 is: 2,883.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,380.35 : 3,571.13 = 1,922.29 : x
  2. Step 2: Convert to fraction form
    2,380.35/3,571.13 = 1,922.29/x
  3. Step 3: Cross multiply
    2,380.35x = 3,571.13 × 1,922.29
  4. Step 4: Simplify right side
    2,380.35x = 6,864,737.88
  5. Step 5: Solve for x
    x = 6,864,737.88/2,380.35
  6. Step 6: Final answer
    x = 2,883.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.