Home / 2,413.28-3,616.64-1,111.92

Finding the Fourth Proportional to 2,413.28, 3,616.64 and 1,111.92

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Solution

The fourth proportional to 2,413.28, 3,616.64 and 1,111.92 is: 1,666.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,413.28 : 3,616.64 = 1,111.92 : x
  2. Step 2: Convert to fraction form
    2,413.28/3,616.64 = 1,111.92/x
  3. Step 3: Cross multiply
    2,413.28x = 3,616.64 × 1,111.92
  4. Step 4: Simplify right side
    2,413.28x = 4,021,414.35
  5. Step 5: Solve for x
    x = 4,021,414.35/2,413.28
  6. Step 6: Final answer
    x = 1,666.37

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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.