Home / 1,491.12-2,238.21-996.03

Finding the Fourth Proportional to 1,491.12, 2,238.21 and 996.03

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Solution

The fourth proportional to 1,491.12, 2,238.21 and 996.03 is: 1,495.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491.12 : 2,238.21 = 996.03 : x
  2. Step 2: Convert to fraction form
    1,491.12/2,238.21 = 996.03/x
  3. Step 3: Cross multiply
    1,491.12x = 2,238.21 × 996.03
  4. Step 4: Simplify right side
    1,491.12x = 2,229,324.31
  5. Step 5: Solve for x
    x = 2,229,324.31/1,491.12
  6. Step 6: Final answer
    x = 1,495.07

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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.