Home / 1,296.36-1,942.92-1,263.96

Finding the Fourth Proportional to 1,296.36, 1,942.92 and 1,263.96

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Solution

The fourth proportional to 1,296.36, 1,942.92 and 1,263.96 is: 1,894.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296.36 : 1,942.92 = 1,263.96 : x
  2. Step 2: Convert to fraction form
    1,296.36/1,942.92 = 1,263.96/x
  3. Step 3: Cross multiply
    1,296.36x = 1,942.92 × 1,263.96
  4. Step 4: Simplify right side
    1,296.36x = 2,455,773.16
  5. Step 5: Solve for x
    x = 2,455,773.16/1,296.36
  6. Step 6: Final answer
    x = 1,894.36

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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.