Home / 3,361.13-5,038.62-1,413.47

Finding the Fourth Proportional to 3,361.13, 5,038.62 and 1,413.47

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Solution

The fourth proportional to 3,361.13, 5,038.62 and 1,413.47 is: 2,118.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361.13 : 5,038.62 = 1,413.47 : x
  2. Step 2: Convert to fraction form
    3,361.13/5,038.62 = 1,413.47/x
  3. Step 3: Cross multiply
    3,361.13x = 5,038.62 × 1,413.47
  4. Step 4: Simplify right side
    3,361.13x = 7,121,938.21
  5. Step 5: Solve for x
    x = 7,121,938.21/3,361.13
  6. Step 6: Final answer
    x = 2,118.91

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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.