Home / 2,997.04-4,122.20-2,406.28

Finding the Fourth Proportional to 2,997.04, 4,122.20 and 2,406.28

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Solution

The fourth proportional to 2,997.04, 4,122.20 and 2,406.28 is: 3,309.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997.04 : 4,122.20 = 2,406.28 : x
  2. Step 2: Convert to fraction form
    2,997.04/4,122.20 = 2,406.28/x
  3. Step 3: Cross multiply
    2,997.04x = 4,122.20 × 2,406.28
  4. Step 4: Simplify right side
    2,997.04x = 9,919,167.42
  5. Step 5: Solve for x
    x = 9,919,167.42/2,997.04
  6. Step 6: Final answer
    x = 3,309.65

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.