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Finding the Fourth Proportional to 3,600.09, 4,968.21 and 2,028.20

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Solution

The fourth proportional to 3,600.09, 4,968.21 and 2,028.20 is: 2,798.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.09 : 4,968.21 = 2,028.20 : x
  2. Step 2: Convert to fraction form
    3,600.09/4,968.21 = 2,028.20/x
  3. Step 3: Cross multiply
    3,600.09x = 4,968.21 × 2,028.20
  4. Step 4: Simplify right side
    3,600.09x = 10,076,498.68
  5. Step 5: Solve for x
    x = 10,076,498.68/3,600.09
  6. Step 6: Final answer
    x = 2,798.96

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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.