Home / 1,296.92-1,945.38-1,104.16

Finding the Fourth Proportional to 1,296.92, 1,945.38 and 1,104.16

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Solution

The fourth proportional to 1,296.92, 1,945.38 and 1,104.16 is: 1,656.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296.92 : 1,945.38 = 1,104.16 : x
  2. Step 2: Convert to fraction form
    1,296.92/1,945.38 = 1,104.16/x
  3. Step 3: Cross multiply
    1,296.92x = 1,945.38 × 1,104.16
  4. Step 4: Simplify right side
    1,296.92x = 2,148,010.78
  5. Step 5: Solve for x
    x = 2,148,010.78/1,296.92
  6. Step 6: Final answer
    x = 1,656.24

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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.