Home / 1,747.44-2,408.40-1,222.56

Finding the Fourth Proportional to 1,747.44, 2,408.40 and 1,222.56

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Solution

The fourth proportional to 1,747.44, 2,408.40 and 1,222.56 is: 1,684.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747.44 : 2,408.40 = 1,222.56 : x
  2. Step 2: Convert to fraction form
    1,747.44/2,408.40 = 1,222.56/x
  3. Step 3: Cross multiply
    1,747.44x = 2,408.40 × 1,222.56
  4. Step 4: Simplify right side
    1,747.44x = 2,944,413.50
  5. Step 5: Solve for x
    x = 2,944,413.50/1,747.44
  6. Step 6: Final answer
    x = 1,684.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.