Home / 3,413.07-4,712.85-2,087.51

Finding the Fourth Proportional to 3,413.07, 4,712.85 and 2,087.51

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Solution

The fourth proportional to 3,413.07, 4,712.85 and 2,087.51 is: 2,882.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413.07 : 4,712.85 = 2,087.51 : x
  2. Step 2: Convert to fraction form
    3,413.07/4,712.85 = 2,087.51/x
  3. Step 3: Cross multiply
    3,413.07x = 4,712.85 × 2,087.51
  4. Step 4: Simplify right side
    3,413.07x = 9,838,097.94
  5. Step 5: Solve for x
    x = 9,838,097.94/3,413.07
  6. Step 6: Final answer
    x = 2,882.48

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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.