Home / 2,943.29-4,413.96-1,187.84

Finding the Fourth Proportional to 2,943.29, 4,413.96 and 1,187.84

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Solution

The fourth proportional to 2,943.29, 4,413.96 and 1,187.84 is: 1,781.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943.29 : 4,413.96 = 1,187.84 : x
  2. Step 2: Convert to fraction form
    2,943.29/4,413.96 = 1,187.84/x
  3. Step 3: Cross multiply
    2,943.29x = 4,413.96 × 1,187.84
  4. Step 4: Simplify right side
    2,943.29x = 5,243,078.25
  5. Step 5: Solve for x
    x = 5,243,078.25/2,943.29
  6. Step 6: Final answer
    x = 1,781.37

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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.