Home / 2,625.54-3,940.75-1,327.92

Finding the Fourth Proportional to 2,625.54, 3,940.75 and 1,327.92

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Solution

The fourth proportional to 2,625.54, 3,940.75 and 1,327.92 is: 1,993.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.54 : 3,940.75 = 1,327.92 : x
  2. Step 2: Convert to fraction form
    2,625.54/3,940.75 = 1,327.92/x
  3. Step 3: Cross multiply
    2,625.54x = 3,940.75 × 1,327.92
  4. Step 4: Simplify right side
    2,625.54x = 5,233,000.74
  5. Step 5: Solve for x
    x = 5,233,000.74/2,625.54
  6. Step 6: Final answer
    x = 1,993.11

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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.