Home / 3,600.80-4,968.46-2,108.68

Finding the Fourth Proportional to 3,600.80, 4,968.46 and 2,108.68

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Solution

The fourth proportional to 3,600.80, 4,968.46 and 2,108.68 is: 2,909.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.80 : 4,968.46 = 2,108.68 : x
  2. Step 2: Convert to fraction form
    3,600.80/4,968.46 = 2,108.68/x
  3. Step 3: Cross multiply
    3,600.80x = 4,968.46 × 2,108.68
  4. Step 4: Simplify right side
    3,600.80x = 10,476,874.54
  5. Step 5: Solve for x
    x = 10,476,874.54/3,600.80
  6. Step 6: Final answer
    x = 2,909.60

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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.