Home / 3,413.92-4,711.08-2,087.68

Finding the Fourth Proportional to 3,413.92, 4,711.08 and 2,087.68

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Solution

The fourth proportional to 3,413.92, 4,711.08 and 2,087.68 is: 2,880.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413.92 : 4,711.08 = 2,087.68 : x
  2. Step 2: Convert to fraction form
    3,413.92/4,711.08 = 2,087.68/x
  3. Step 3: Cross multiply
    3,413.92x = 4,711.08 × 2,087.68
  4. Step 4: Simplify right side
    3,413.92x = 9,835,227.49
  5. Step 5: Solve for x
    x = 9,835,227.49/3,413.92
  6. Step 6: Final answer
    x = 2,880.92

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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.