Home / 1,789.94-2,469.22-1,125.54

Finding the Fourth Proportional to 1,789.94, 2,469.22 and 1,125.54

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Solution

The fourth proportional to 1,789.94, 2,469.22 and 1,125.54 is: 1,552.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789.94 : 2,469.22 = 1,125.54 : x
  2. Step 2: Convert to fraction form
    1,789.94/2,469.22 = 1,125.54/x
  3. Step 3: Cross multiply
    1,789.94x = 2,469.22 × 1,125.54
  4. Step 4: Simplify right side
    1,789.94x = 2,779,203.06
  5. Step 5: Solve for x
    x = 2,779,203.06/1,789.94
  6. Step 6: Final answer
    x = 1,552.68

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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.