Home / 3,413.54-4,710.78-2,087.22

Finding the Fourth Proportional to 3,413.54, 4,710.78 and 2,087.22

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Solution

The fourth proportional to 3,413.54, 4,710.78 and 2,087.22 is: 2,880.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413.54 : 4,710.78 = 2,087.22 : x
  2. Step 2: Convert to fraction form
    3,413.54/4,710.78 = 2,087.22/x
  3. Step 3: Cross multiply
    3,413.54x = 4,710.78 × 2,087.22
  4. Step 4: Simplify right side
    3,413.54x = 9,832,434.23
  5. Step 5: Solve for x
    x = 9,832,434.23/3,413.54
  6. Step 6: Final answer
    x = 2,880.42

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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.