Home / 3,923.21-5,413.60-2,245.07

Finding the Fourth Proportional to 3,923.21, 5,413.60 and 2,245.07

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Solution

The fourth proportional to 3,923.21, 5,413.60 and 2,245.07 is: 3,097.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,923.21 : 5,413.60 = 2,245.07 : x
  2. Step 2: Convert to fraction form
    3,923.21/5,413.60 = 2,245.07/x
  3. Step 3: Cross multiply
    3,923.21x = 5,413.60 × 2,245.07
  4. Step 4: Simplify right side
    3,923.21x = 12,153,927.29
  5. Step 5: Solve for x
    x = 12,153,927.29/3,923.21
  6. Step 6: Final answer
    x = 3,097.95

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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.