Home / 3,491.89-5,241.56-1,413.25

Finding the Fourth Proportional to 3,491.89, 5,241.56 and 1,413.25

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Solution

The fourth proportional to 3,491.89, 5,241.56 and 1,413.25 is: 2,121.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,491.89 : 5,241.56 = 1,413.25 : x
  2. Step 2: Convert to fraction form
    3,491.89/5,241.56 = 1,413.25/x
  3. Step 3: Cross multiply
    3,491.89x = 5,241.56 × 1,413.25
  4. Step 4: Simplify right side
    3,491.89x = 7,407,634.67
  5. Step 5: Solve for x
    x = 7,407,634.67/3,491.89
  6. Step 6: Final answer
    x = 2,121.38

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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.