Home / 1,936.54-2,669.83-1,539.52

Finding the Fourth Proportional to 1,936.54, 2,669.83 and 1,539.52

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Solution

The fourth proportional to 1,936.54, 2,669.83 and 1,539.52 is: 2,122.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936.54 : 2,669.83 = 1,539.52 : x
  2. Step 2: Convert to fraction form
    1,936.54/2,669.83 = 1,539.52/x
  3. Step 3: Cross multiply
    1,936.54x = 2,669.83 × 1,539.52
  4. Step 4: Simplify right side
    1,936.54x = 4,110,243.33
  5. Step 5: Solve for x
    x = 4,110,243.33/1,936.54
  6. Step 6: Final answer
    x = 2,122.47

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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.