Home / 3,603.30-5,404.88-1,413.56

Finding the Fourth Proportional to 3,603.30, 5,404.88 and 1,413.56

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Solution

The fourth proportional to 3,603.30, 5,404.88 and 1,413.56 is: 2,120.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603.30 : 5,404.88 = 1,413.56 : x
  2. Step 2: Convert to fraction form
    3,603.30/5,404.88 = 1,413.56/x
  3. Step 3: Cross multiply
    3,603.30x = 5,404.88 × 1,413.56
  4. Step 4: Simplify right side
    3,603.30x = 7,640,122.17
  5. Step 5: Solve for x
    x = 7,640,122.17/3,603.30
  6. Step 6: Final answer
    x = 2,120.31

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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.