Home / 3,663.02-5,481.77-2,997.20

Finding the Fourth Proportional to 3,663.02, 5,481.77 and 2,997.20

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Solution

The fourth proportional to 3,663.02, 5,481.77 and 2,997.20 is: 4,485.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,663.02 : 5,481.77 = 2,997.20 : x
  2. Step 2: Convert to fraction form
    3,663.02/5,481.77 = 2,997.20/x
  3. Step 3: Cross multiply
    3,663.02x = 5,481.77 × 2,997.20
  4. Step 4: Simplify right side
    3,663.02x = 16,429,928.93
  5. Step 5: Solve for x
    x = 16,429,928.93/3,663.02
  6. Step 6: Final answer
    x = 4,485.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.