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Finding the Fourth Proportional to 3,360.44, 5,041.19 and 1,413.20

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Solution

The fourth proportional to 3,360.44, 5,041.19 and 1,413.20 is: 2,120.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.44 : 5,041.19 = 1,413.20 : x
  2. Step 2: Convert to fraction form
    3,360.44/5,041.19 = 1,413.20/x
  3. Step 3: Cross multiply
    3,360.44x = 5,041.19 × 1,413.20
  4. Step 4: Simplify right side
    3,360.44x = 7,124,188.04
  5. Step 5: Solve for x
    x = 7,124,188.04/3,360.44
  6. Step 6: Final answer
    x = 2,120.02

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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.