Home / 3,147.20-4,714.66-2,413.19

Finding the Fourth Proportional to 3,147.20, 4,714.66 and 2,413.19

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Solution

The fourth proportional to 3,147.20, 4,714.66 and 2,413.19 is: 3,615.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147.20 : 4,714.66 = 2,413.19 : x
  2. Step 2: Convert to fraction form
    3,147.20/4,714.66 = 2,413.19/x
  3. Step 3: Cross multiply
    3,147.20x = 4,714.66 × 2,413.19
  4. Step 4: Simplify right side
    3,147.20x = 11,377,371.59
  5. Step 5: Solve for x
    x = 11,377,371.59/3,147.20
  6. Step 6: Final answer
    x = 3,615.07

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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.