Home / 2,733.73-3,771.88-1,538.49

Finding the Fourth Proportional to 2,733.73, 3,771.88 and 1,538.49

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Solution

The fourth proportional to 2,733.73, 3,771.88 and 1,538.49 is: 2,122.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,733.73 : 3,771.88 = 1,538.49 : x
  2. Step 2: Convert to fraction form
    2,733.73/3,771.88 = 1,538.49/x
  3. Step 3: Cross multiply
    2,733.73x = 3,771.88 × 1,538.49
  4. Step 4: Simplify right side
    2,733.73x = 5,802,987.44
  5. Step 5: Solve for x
    x = 5,802,987.44/2,733.73
  6. Step 6: Final answer
    x = 2,122.74

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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.