Home / 3,042.75-4,571.82-2,919.73

Finding the Fourth Proportional to 3,042.75, 4,571.82 and 2,919.73

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Solution

The fourth proportional to 3,042.75, 4,571.82 and 2,919.73 is: 4,386.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,042.75 : 4,571.82 = 2,919.73 : x
  2. Step 2: Convert to fraction form
    3,042.75/4,571.82 = 2,919.73/x
  3. Step 3: Cross multiply
    3,042.75x = 4,571.82 × 2,919.73
  4. Step 4: Simplify right side
    3,042.75x = 13,348,480.01
  5. Step 5: Solve for x
    x = 13,348,480.01/3,042.75
  6. Step 6: Final answer
    x = 4,386.98

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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.