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Finding the Fourth Proportional to 2,994.27, 4,491.09 and 803.22

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Solution

The fourth proportional to 2,994.27, 4,491.09 and 803.22 is: 1,204.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,994.27 : 4,491.09 = 803.22 : x
  2. Step 2: Convert to fraction form
    2,994.27/4,491.09 = 803.22/x
  3. Step 3: Cross multiply
    2,994.27x = 4,491.09 × 803.22
  4. Step 4: Simplify right side
    2,994.27x = 3,607,333.31
  5. Step 5: Solve for x
    x = 3,607,333.31/2,994.27
  6. Step 6: Final answer
    x = 1,204.75

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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.