Home / 3,608.42-5,413.08-1,142.35

Finding the Fourth Proportional to 3,608.42, 5,413.08 and 1,142.35

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Solution

The fourth proportional to 3,608.42, 5,413.08 and 1,142.35 is: 1,713.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.42 : 5,413.08 = 1,142.35 : x
  2. Step 2: Convert to fraction form
    3,608.42/5,413.08 = 1,142.35/x
  3. Step 3: Cross multiply
    3,608.42x = 5,413.08 × 1,142.35
  4. Step 4: Simplify right side
    3,608.42x = 6,183,646.71
  5. Step 5: Solve for x
    x = 6,183,646.71/3,608.42
  6. Step 6: Final answer
    x = 1,713.67

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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.