Home / 1,324.08-1,976.32-1,168.41

Finding the Fourth Proportional to 1,324.08, 1,976.32 and 1,168.41

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Solution

The fourth proportional to 1,324.08, 1,976.32 and 1,168.41 is: 1,743.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324.08 : 1,976.32 = 1,168.41 : x
  2. Step 2: Convert to fraction form
    1,324.08/1,976.32 = 1,168.41/x
  3. Step 3: Cross multiply
    1,324.08x = 1,976.32 × 1,168.41
  4. Step 4: Simplify right side
    1,324.08x = 2,309,152.05
  5. Step 5: Solve for x
    x = 2,309,152.05/1,324.08
  6. Step 6: Final answer
    x = 1,743.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.