Home / 2,275.22-3,413.03-976.38

Finding the Fourth Proportional to 2,275.22, 3,413.03 and 976.38

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Solution

The fourth proportional to 2,275.22, 3,413.03 and 976.38 is: 1,464.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,275.22 : 3,413.03 = 976.38 : x
  2. Step 2: Convert to fraction form
    2,275.22/3,413.03 = 976.38/x
  3. Step 3: Cross multiply
    2,275.22x = 3,413.03 × 976.38
  4. Step 4: Simplify right side
    2,275.22x = 3,332,409.35
  5. Step 5: Solve for x
    x = 3,332,409.35/2,275.22
  6. Step 6: Final answer
    x = 1,464.66

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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.