Home / 3,196.85-4,413.02-2,149.52

Finding the Fourth Proportional to 3,196.85, 4,413.02 and 2,149.52

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Solution

The fourth proportional to 3,196.85, 4,413.02 and 2,149.52 is: 2,967.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,196.85 : 4,413.02 = 2,149.52 : x
  2. Step 2: Convert to fraction form
    3,196.85/4,413.02 = 2,149.52/x
  3. Step 3: Cross multiply
    3,196.85x = 4,413.02 × 2,149.52
  4. Step 4: Simplify right side
    3,196.85x = 9,485,854.35
  5. Step 5: Solve for x
    x = 9,485,854.35/3,196.85
  6. Step 6: Final answer
    x = 2,967.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.