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Finding the Fourth Proportional to 2,997.45, 4,490.69 and 2,173.68

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Solution

The fourth proportional to 2,997.45, 4,490.69 and 2,173.68 is: 3,256.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997.45 : 4,490.69 = 2,173.68 : x
  2. Step 2: Convert to fraction form
    2,997.45/4,490.69 = 2,173.68/x
  3. Step 3: Cross multiply
    2,997.45x = 4,490.69 × 2,173.68
  4. Step 4: Simplify right side
    2,997.45x = 9,761,323.04
  5. Step 5: Solve for x
    x = 9,761,323.04/2,997.45
  6. Step 6: Final answer
    x = 3,256.54

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