Home / 2,997.09-4,136.53-2,287.83

Finding the Fourth Proportional to 2,997.09, 4,136.53 and 2,287.83

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Solution

The fourth proportional to 2,997.09, 4,136.53 and 2,287.83 is: 3,157.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997.09 : 4,136.53 = 2,287.83 : x
  2. Step 2: Convert to fraction form
    2,997.09/4,136.53 = 2,287.83/x
  3. Step 3: Cross multiply
    2,997.09x = 4,136.53 × 2,287.83
  4. Step 4: Simplify right side
    2,997.09x = 9,463,677.43
  5. Step 5: Solve for x
    x = 9,463,677.43/2,997.09
  6. Step 6: Final answer
    x = 3,157.62

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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.