Home / 2,413.23-3,613.68-2,138.51

Finding the Fourth Proportional to 2,413.23, 3,613.68 and 2,138.51

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Solution

The fourth proportional to 2,413.23, 3,613.68 and 2,138.51 is: 3,202.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,413.23 : 3,613.68 = 2,138.51 : x
  2. Step 2: Convert to fraction form
    2,413.23/3,613.68 = 2,138.51/x
  3. Step 3: Cross multiply
    2,413.23x = 3,613.68 × 2,138.51
  4. Step 4: Simplify right side
    2,413.23x = 7,727,872.75
  5. Step 5: Solve for x
    x = 7,727,872.75/2,413.23
  6. Step 6: Final answer
    x = 3,202.29

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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.