Home / 3,608.89-5,413.35-1,145.44

Finding the Fourth Proportional to 3,608.89, 5,413.35 and 1,145.44

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Solution

The fourth proportional to 3,608.89, 5,413.35 and 1,145.44 is: 1,718.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.89 : 5,413.35 = 1,145.44 : x
  2. Step 2: Convert to fraction form
    3,608.89/5,413.35 = 1,145.44/x
  3. Step 3: Cross multiply
    3,608.89x = 5,413.35 × 1,145.44
  4. Step 4: Simplify right side
    3,608.89x = 6,200,667.62
  5. Step 5: Solve for x
    x = 6,200,667.62/3,608.89
  6. Step 6: Final answer
    x = 1,718.16

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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.