Home / 3,062.80-4,228.20-2,563.60

Finding the Fourth Proportional to 3,062.80, 4,228.20 and 2,563.60

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Solution

The fourth proportional to 3,062.80, 4,228.20 and 2,563.60 is: 3,539.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,062.80 : 4,228.20 = 2,563.60 : x
  2. Step 2: Convert to fraction form
    3,062.80/4,228.20 = 2,563.60/x
  3. Step 3: Cross multiply
    3,062.80x = 4,228.20 × 2,563.60
  4. Step 4: Simplify right side
    3,062.80x = 10,839,413.52
  5. Step 5: Solve for x
    x = 10,839,413.52/3,062.80
  6. Step 6: Final answer
    x = 3,539.05

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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.