Home / 3,920.31-5,413.50-2,593.53

Finding the Fourth Proportional to 3,920.31, 5,413.50 and 2,593.53

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Solution

The fourth proportional to 3,920.31, 5,413.50 and 2,593.53 is: 3,581.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,920.31 : 5,413.50 = 2,593.53 : x
  2. Step 2: Convert to fraction form
    3,920.31/5,413.50 = 2,593.53/x
  3. Step 3: Cross multiply
    3,920.31x = 5,413.50 × 2,593.53
  4. Step 4: Simplify right side
    3,920.31x = 14,040,074.66
  5. Step 5: Solve for x
    x = 14,040,074.66/3,920.31
  6. Step 6: Final answer
    x = 3,581.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.