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Finding the Fourth Proportional to 1,889.44, 2,607.44 and 1,103.33

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Solution

The fourth proportional to 1,889.44, 2,607.44 and 1,103.33 is: 1,522.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889.44 : 2,607.44 = 1,103.33 : x
  2. Step 2: Convert to fraction form
    1,889.44/2,607.44 = 1,103.33/x
  3. Step 3: Cross multiply
    1,889.44x = 2,607.44 × 1,103.33
  4. Step 4: Simplify right side
    1,889.44x = 2,876,867.78
  5. Step 5: Solve for x
    x = 2,876,867.78/1,889.44
  6. Step 6: Final answer
    x = 1,522.61

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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.