Home / 1,789.14-2,469.24-1,090.11

Finding the Fourth Proportional to 1,789.14, 2,469.24 and 1,090.11

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Solution

The fourth proportional to 1,789.14, 2,469.24 and 1,090.11 is: 1,504.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789.14 : 2,469.24 = 1,090.11 : x
  2. Step 2: Convert to fraction form
    1,789.14/2,469.24 = 1,090.11/x
  3. Step 3: Cross multiply
    1,789.14x = 2,469.24 × 1,090.11
  4. Step 4: Simplify right side
    1,789.14x = 2,691,743.22
  5. Step 5: Solve for x
    x = 2,691,743.22/1,789.14
  6. Step 6: Final answer
    x = 1,504.49

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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.