Home / 3,413.29-4,689.92-2,713.45

Finding the Fourth Proportional to 3,413.29, 4,689.92 and 2,713.45

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Solution

The fourth proportional to 3,413.29, 4,689.92 and 2,713.45 is: 3,728.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413.29 : 4,689.92 = 2,713.45 : x
  2. Step 2: Convert to fraction form
    3,413.29/4,689.92 = 2,713.45/x
  3. Step 3: Cross multiply
    3,413.29x = 4,689.92 × 2,713.45
  4. Step 4: Simplify right side
    3,413.29x = 12,725,863.42
  5. Step 5: Solve for x
    x = 12,725,863.42/3,413.29
  6. Step 6: Final answer
    x = 3,728.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.