Home / 1,789.22-2,469.12-1,003.26

Finding the Fourth Proportional to 1,789.22, 2,469.12 and 1,003.26

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Solution

The fourth proportional to 1,789.22, 2,469.12 and 1,003.26 is: 1,384.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789.22 : 2,469.12 = 1,003.26 : x
  2. Step 2: Convert to fraction form
    1,789.22/2,469.12 = 1,003.26/x
  3. Step 3: Cross multiply
    1,789.22x = 2,469.12 × 1,003.26
  4. Step 4: Simplify right side
    1,789.22x = 2,477,169.33
  5. Step 5: Solve for x
    x = 2,477,169.33/1,789.22
  6. Step 6: Final answer
    x = 1,384.50

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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.