Home / 2,733.75-4,101.36-1,091.45

Finding the Fourth Proportional to 2,733.75, 4,101.36 and 1,091.45

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Solution

The fourth proportional to 2,733.75, 4,101.36 and 1,091.45 is: 1,637.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,733.75 : 4,101.36 = 1,091.45 : x
  2. Step 2: Convert to fraction form
    2,733.75/4,101.36 = 1,091.45/x
  3. Step 3: Cross multiply
    2,733.75x = 4,101.36 × 1,091.45
  4. Step 4: Simplify right side
    2,733.75x = 4,476,427.07
  5. Step 5: Solve for x
    x = 4,476,427.07/2,733.75
  6. Step 6: Final answer
    x = 1,637.47

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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.