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Finding the Fourth Proportional to 1,722.03, 2,582.23 and 796.41

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Solution

The fourth proportional to 1,722.03, 2,582.23 and 796.41 is: 1,194.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722.03 : 2,582.23 = 796.41 : x
  2. Step 2: Convert to fraction form
    1,722.03/2,582.23 = 796.41/x
  3. Step 3: Cross multiply
    1,722.03x = 2,582.23 × 796.41
  4. Step 4: Simplify right side
    1,722.03x = 2,056,513.79
  5. Step 5: Solve for x
    x = 2,056,513.79/1,722.03
  6. Step 6: Final answer
    x = 1,194.24

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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.