Home / 3,922.25-5,413.92-2,525

Finding the Fourth Proportional to 3,922.25, 5,413.92 and 2,525

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Solution

The fourth proportional to 3,922.25, 5,413.92 and 2,525 is: 3,485.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922.25 : 5,413.92 = 2,525 : x
  2. Step 2: Convert to fraction form
    3,922.25/5,413.92 = 2,525/x
  3. Step 3: Cross multiply
    3,922.25x = 5,413.92 × 2,525
  4. Step 4: Simplify right side
    3,922.25x = 13,670,148
  5. Step 5: Solve for x
    x = 13,670,148/3,922.25
  6. Step 6: Final answer
    x = 3,485.28

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1.5x scale

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.