Home / 3,261.68-4,889.00-1,413.66

Finding the Fourth Proportional to 3,261.68, 4,889.00 and 1,413.66

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Solution

The fourth proportional to 3,261.68, 4,889.00 and 1,413.66 is: 2,118.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.68 : 4,889.00 = 1,413.66 : x
  2. Step 2: Convert to fraction form
    3,261.68/4,889.00 = 1,413.66/x
  3. Step 3: Cross multiply
    3,261.68x = 4,889.00 × 1,413.66
  4. Step 4: Simplify right side
    3,261.68x = 6,911,387.27
  5. Step 5: Solve for x
    x = 6,911,387.27/3,261.68
  6. Step 6: Final answer
    x = 2,118.97

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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.