Home / 3,350.61-4,629.30-2,789.28

Finding the Fourth Proportional to 3,350.61, 4,629.30 and 2,789.28

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Solution

The fourth proportional to 3,350.61, 4,629.30 and 2,789.28 is: 3,853.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,350.61 : 4,629.30 = 2,789.28 : x
  2. Step 2: Convert to fraction form
    3,350.61/4,629.30 = 2,789.28/x
  3. Step 3: Cross multiply
    3,350.61x = 4,629.30 × 2,789.28
  4. Step 4: Simplify right side
    3,350.61x = 12,912,413.90
  5. Step 5: Solve for x
    x = 12,912,413.90/3,350.61
  6. Step 6: Final answer
    x = 3,853.75

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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.