Home / 1,727.73-2,385.06-1,161.54

Finding the Fourth Proportional to 1,727.73, 2,385.06 and 1,161.54

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Solution

The fourth proportional to 1,727.73, 2,385.06 and 1,161.54 is: 1,603.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727.73 : 2,385.06 = 1,161.54 : x
  2. Step 2: Convert to fraction form
    1,727.73/2,385.06 = 1,161.54/x
  3. Step 3: Cross multiply
    1,727.73x = 2,385.06 × 1,161.54
  4. Step 4: Simplify right side
    1,727.73x = 2,770,342.59
  5. Step 5: Solve for x
    x = 2,770,342.59/1,727.73
  6. Step 6: Final answer
    x = 1,603.46

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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.