Home / 2,413.79-3,331.62-1,366.46

Finding the Fourth Proportional to 2,413.79, 3,331.62 and 1,366.46

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Solution

The fourth proportional to 2,413.79, 3,331.62 and 1,366.46 is: 1,886.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,413.79 : 3,331.62 = 1,366.46 : x
  2. Step 2: Convert to fraction form
    2,413.79/3,331.62 = 1,366.46/x
  3. Step 3: Cross multiply
    2,413.79x = 3,331.62 × 1,366.46
  4. Step 4: Simplify right side
    2,413.79x = 4,552,508.81
  5. Step 5: Solve for x
    x = 4,552,508.81/2,413.79
  6. Step 6: Final answer
    x = 1,886.05

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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.