Home / 3,782.22-5,675.92-1,317.04

Finding the Fourth Proportional to 3,782.22, 5,675.92 and 1,317.04

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Solution

The fourth proportional to 3,782.22, 5,675.92 and 1,317.04 is: 1,976.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,782.22 : 5,675.92 = 1,317.04 : x
  2. Step 2: Convert to fraction form
    3,782.22/5,675.92 = 1,317.04/x
  3. Step 3: Cross multiply
    3,782.22x = 5,675.92 × 1,317.04
  4. Step 4: Simplify right side
    3,782.22x = 7,475,413.68
  5. Step 5: Solve for x
    x = 7,475,413.68/3,782.22
  6. Step 6: Final answer
    x = 1,976.46

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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.