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Finding the Fourth Proportional to 1,704.97, 2,557.46 and 550.81

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Solution

The fourth proportional to 1,704.97, 2,557.46 and 550.81 is: 826.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704.97 : 2,557.46 = 550.81 : x
  2. Step 2: Convert to fraction form
    1,704.97/2,557.46 = 550.81/x
  3. Step 3: Cross multiply
    1,704.97x = 2,557.46 × 550.81
  4. Step 4: Simplify right side
    1,704.97x = 1,408,671.79
  5. Step 5: Solve for x
    x = 1,408,671.79/1,704.97
  6. Step 6: Final answer
    x = 826.22

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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.