Home / 3,413.04-4,689.57-2,713.20

Finding the Fourth Proportional to 3,413.04, 4,689.57 and 2,713.20

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Solution

The fourth proportional to 3,413.04, 4,689.57 and 2,713.20 is: 3,727.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413.04 : 4,689.57 = 2,713.20 : x
  2. Step 2: Convert to fraction form
    3,413.04/4,689.57 = 2,713.20/x
  3. Step 3: Cross multiply
    3,413.04x = 4,689.57 × 2,713.20
  4. Step 4: Simplify right side
    3,413.04x = 12,723,741.32
  5. Step 5: Solve for x
    x = 12,723,741.32/3,413.04
  6. Step 6: Final answer
    x = 3,727.98

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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.