Home / 2,578.03-3,857.79-2,232.54

Finding the Fourth Proportional to 2,578.03, 3,857.79 and 2,232.54

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Solution

The fourth proportional to 2,578.03, 3,857.79 and 2,232.54 is: 3,340.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578.03 : 3,857.79 = 2,232.54 : x
  2. Step 2: Convert to fraction form
    2,578.03/3,857.79 = 2,232.54/x
  3. Step 3: Cross multiply
    2,578.03x = 3,857.79 × 2,232.54
  4. Step 4: Simplify right side
    2,578.03x = 8,612,678.86
  5. Step 5: Solve for x
    x = 8,612,678.86/2,578.03
  6. Step 6: Final answer
    x = 3,340.80

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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.