Home / 2,277.14-3,413.55-1,121.54

Finding the Fourth Proportional to 2,277.14, 3,413.55 and 1,121.54

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Solution

The fourth proportional to 2,277.14, 3,413.55 and 1,121.54 is: 1,681.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,277.14 : 3,413.55 = 1,121.54 : x
  2. Step 2: Convert to fraction form
    2,277.14/3,413.55 = 1,121.54/x
  3. Step 3: Cross multiply
    2,277.14x = 3,413.55 × 1,121.54
  4. Step 4: Simplify right side
    2,277.14x = 3,828,432.87
  5. Step 5: Solve for x
    x = 3,828,432.87/2,277.14
  6. Step 6: Final answer
    x = 1,681.25

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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.