Home / 2,509.25-3,766.17-1,277.54

Finding the Fourth Proportional to 2,509.25, 3,766.17 and 1,277.54

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Solution

The fourth proportional to 2,509.25, 3,766.17 and 1,277.54 is: 1,917.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,509.25 : 3,766.17 = 1,277.54 : x
  2. Step 2: Convert to fraction form
    2,509.25/3,766.17 = 1,277.54/x
  3. Step 3: Cross multiply
    2,509.25x = 3,766.17 × 1,277.54
  4. Step 4: Simplify right side
    2,509.25x = 4,811,413.99
  5. Step 5: Solve for x
    x = 4,811,413.99/2,509.25
  6. Step 6: Final answer
    x = 1,917.47

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1.5x scale

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.