Home / 2,413.70-3,620.55-2,279.30

Finding the Fourth Proportional to 2,413.70, 3,620.55 and 2,279.30

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Solution

The fourth proportional to 2,413.70, 3,620.55 and 2,279.30 is: 3,418.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,413.70 : 3,620.55 = 2,279.30 : x
  2. Step 2: Convert to fraction form
    2,413.70/3,620.55 = 2,279.30/x
  3. Step 3: Cross multiply
    2,413.70x = 3,620.55 × 2,279.30
  4. Step 4: Simplify right side
    2,413.70x = 8,252,319.62
  5. Step 5: Solve for x
    x = 8,252,319.62/2,413.70
  6. Step 6: Final answer
    x = 3,418.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.