Home / 2,454.12-3,658.68-2,289.96

Finding the Fourth Proportional to 2,454.12, 3,658.68 and 2,289.96

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Solution

The fourth proportional to 2,454.12, 3,658.68 and 2,289.96 is: 3,413.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,454.12 : 3,658.68 = 2,289.96 : x
  2. Step 2: Convert to fraction form
    2,454.12/3,658.68 = 2,289.96/x
  3. Step 3: Cross multiply
    2,454.12x = 3,658.68 × 2,289.96
  4. Step 4: Simplify right side
    2,454.12x = 8,378,230.85
  5. Step 5: Solve for x
    x = 8,378,230.85/2,454.12
  6. Step 6: Final answer
    x = 3,413.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.