Home / 3,387.05-5,077.27-1,413.25

Finding the Fourth Proportional to 3,387.05, 5,077.27 and 1,413.25

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Solution

The fourth proportional to 3,387.05, 5,077.27 and 1,413.25 is: 2,118.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.05 : 5,077.27 = 1,413.25 : x
  2. Step 2: Convert to fraction form
    3,387.05/5,077.27 = 1,413.25/x
  3. Step 3: Cross multiply
    3,387.05x = 5,077.27 × 1,413.25
  4. Step 4: Simplify right side
    3,387.05x = 7,175,440.90
  5. Step 5: Solve for x
    x = 7,175,440.90/3,387.05
  6. Step 6: Final answer
    x = 2,118.49

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1.5x scale

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.