Home / 2,413.89-3,331.17-1,419.18

Finding the Fourth Proportional to 2,413.89, 3,331.17 and 1,419.18

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Solution

The fourth proportional to 2,413.89, 3,331.17 and 1,419.18 is: 1,958.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,413.89 : 3,331.17 = 1,419.18 : x
  2. Step 2: Convert to fraction form
    2,413.89/3,331.17 = 1,419.18/x
  3. Step 3: Cross multiply
    2,413.89x = 3,331.17 × 1,419.18
  4. Step 4: Simplify right side
    2,413.89x = 4,727,529.84
  5. Step 5: Solve for x
    x = 4,727,529.84/2,413.89
  6. Step 6: Final answer
    x = 1,958.47

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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.