Home / 3,608.76-5,413.30-1,143.53

Finding the Fourth Proportional to 3,608.76, 5,413.30 and 1,143.53

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Solution

The fourth proportional to 3,608.76, 5,413.30 and 1,143.53 is: 1,715.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.76 : 5,413.30 = 1,143.53 : x
  2. Step 2: Convert to fraction form
    3,608.76/5,413.30 = 1,143.53/x
  3. Step 3: Cross multiply
    3,608.76x = 5,413.30 × 1,143.53
  4. Step 4: Simplify right side
    3,608.76x = 6,190,261.32
  5. Step 5: Solve for x
    x = 6,190,261.32/3,608.76
  6. Step 6: Final answer
    x = 1,715.34

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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.