Home / 2,548.43-3,822.84-1,161.81

Finding the Fourth Proportional to 2,548.43, 3,822.84 and 1,161.81

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Solution

The fourth proportional to 2,548.43, 3,822.84 and 1,161.81 is: 1,742.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,548.43 : 3,822.84 = 1,161.81 : x
  2. Step 2: Convert to fraction form
    2,548.43/3,822.84 = 1,161.81/x
  3. Step 3: Cross multiply
    2,548.43x = 3,822.84 × 1,161.81
  4. Step 4: Simplify right side
    2,548.43x = 4,441,413.74
  5. Step 5: Solve for x
    x = 4,441,413.74/2,548.43
  6. Step 6: Final answer
    x = 1,742.80

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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.