Home / 2,413.78-3,331.08-1,365.64

Finding the Fourth Proportional to 2,413.78, 3,331.08 and 1,365.64

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Solution

The fourth proportional to 2,413.78, 3,331.08 and 1,365.64 is: 1,884.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,413.78 : 3,331.08 = 1,365.64 : x
  2. Step 2: Convert to fraction form
    2,413.78/3,331.08 = 1,365.64/x
  3. Step 3: Cross multiply
    2,413.78x = 3,331.08 × 1,365.64
  4. Step 4: Simplify right side
    2,413.78x = 4,549,056.09
  5. Step 5: Solve for x
    x = 4,549,056.09/2,413.78
  6. Step 6: Final answer
    x = 1,884.62

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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.