Home / 3,739.47-5,158.77-2,413.62

Finding the Fourth Proportional to 3,739.47, 5,158.77 and 2,413.62

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Solution

The fourth proportional to 3,739.47, 5,158.77 and 2,413.62 is: 3,329.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,739.47 : 5,158.77 = 2,413.62 : x
  2. Step 2: Convert to fraction form
    3,739.47/5,158.77 = 2,413.62/x
  3. Step 3: Cross multiply
    3,739.47x = 5,158.77 × 2,413.62
  4. Step 4: Simplify right side
    3,739.47x = 12,451,310.45
  5. Step 5: Solve for x
    x = 12,451,310.45/3,739.47
  6. Step 6: Final answer
    x = 3,329.70

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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.