Home / 1,930.92-2,893.68-1,383.36

Finding the Fourth Proportional to 1,930.92, 2,893.68 and 1,383.36

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Solution

The fourth proportional to 1,930.92, 2,893.68 and 1,383.36 is: 2,073.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,930.92 : 2,893.68 = 1,383.36 : x
  2. Step 2: Convert to fraction form
    1,930.92/2,893.68 = 1,383.36/x
  3. Step 3: Cross multiply
    1,930.92x = 2,893.68 × 1,383.36
  4. Step 4: Simplify right side
    1,930.92x = 4,003,001.16
  5. Step 5: Solve for x
    x = 4,003,001.16/1,930.92
  6. Step 6: Final answer
    x = 2,073.11

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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.