Home / 3,413.02-5,120.49-1,104.70

Finding the Fourth Proportional to 3,413.02, 5,120.49 and 1,104.70

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Solution

The fourth proportional to 3,413.02, 5,120.49 and 1,104.70 is: 1,657.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413.02 : 5,120.49 = 1,104.70 : x
  2. Step 2: Convert to fraction form
    3,413.02/5,120.49 = 1,104.70/x
  3. Step 3: Cross multiply
    3,413.02x = 5,120.49 × 1,104.70
  4. Step 4: Simplify right side
    3,413.02x = 5,656,605.30
  5. Step 5: Solve for x
    x = 5,656,605.30/3,413.02
  6. Step 6: Final answer
    x = 1,657.36

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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.