Home / 3,413.27-5,119.74-948.21

Finding the Fourth Proportional to 3,413.27, 5,119.74 and 948.21

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Solution

The fourth proportional to 3,413.27, 5,119.74 and 948.21 is: 1,422.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413.27 : 5,119.74 = 948.21 : x
  2. Step 2: Convert to fraction form
    3,413.27/5,119.74 = 948.21/x
  3. Step 3: Cross multiply
    3,413.27x = 5,119.74 × 948.21
  4. Step 4: Simplify right side
    3,413.27x = 4,854,588.67
  5. Step 5: Solve for x
    x = 4,854,588.67/3,413.27
  6. Step 6: Final answer
    x = 1,422.27

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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.