Home / 3,200.21-4,413.57-2,080.58

Finding the Fourth Proportional to 3,200.21, 4,413.57 and 2,080.58

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Solution

The fourth proportional to 3,200.21, 4,413.57 and 2,080.58 is: 2,869.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.21 : 4,413.57 = 2,080.58 : x
  2. Step 2: Convert to fraction form
    3,200.21/4,413.57 = 2,080.58/x
  3. Step 3: Cross multiply
    3,200.21x = 4,413.57 × 2,080.58
  4. Step 4: Simplify right side
    3,200.21x = 9,182,785.47
  5. Step 5: Solve for x
    x = 9,182,785.47/3,200.21
  6. Step 6: Final answer
    x = 2,869.44

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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.