Home / 3,225.25-4,450.41-1,789.59

Finding the Fourth Proportional to 3,225.25, 4,450.41 and 1,789.59

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Solution

The fourth proportional to 3,225.25, 4,450.41 and 1,789.59 is: 2,469.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.25 : 4,450.41 = 1,789.59 : x
  2. Step 2: Convert to fraction form
    3,225.25/4,450.41 = 1,789.59/x
  3. Step 3: Cross multiply
    3,225.25x = 4,450.41 × 1,789.59
  4. Step 4: Simplify right side
    3,225.25x = 7,964,413.71
  5. Step 5: Solve for x
    x = 7,964,413.71/3,225.25
  6. Step 6: Final answer
    x = 2,469.40

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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.