Home / 3,603.42-5,409.18-2,791.49

Finding the Fourth Proportional to 3,603.42, 5,409.18 and 2,791.49

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Solution

The fourth proportional to 3,603.42, 5,409.18 and 2,791.49 is: 4,190.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603.42 : 5,409.18 = 2,791.49 : x
  2. Step 2: Convert to fraction form
    3,603.42/5,409.18 = 2,791.49/x
  3. Step 3: Cross multiply
    3,603.42x = 5,409.18 × 2,791.49
  4. Step 4: Simplify right side
    3,603.42x = 15,099,644.83
  5. Step 5: Solve for x
    x = 15,099,644.83/3,603.42
  6. Step 6: Final answer
    x = 4,190.36

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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.