Home / 3,413.41-5,117.53-1,439.64

Finding the Fourth Proportional to 3,413.41, 5,117.53 and 1,439.64

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Solution

The fourth proportional to 3,413.41, 5,117.53 and 1,439.64 is: 2,158.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413.41 : 5,117.53 = 1,439.64 : x
  2. Step 2: Convert to fraction form
    3,413.41/5,117.53 = 1,439.64/x
  3. Step 3: Cross multiply
    3,413.41x = 5,117.53 × 1,439.64
  4. Step 4: Simplify right side
    3,413.41x = 7,367,399.99
  5. Step 5: Solve for x
    x = 7,367,399.99/3,413.41
  6. Step 6: Final answer
    x = 2,158.37

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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.