Home / 1,883.56-2,824.08-727.96

Finding the Fourth Proportional to 1,883.56, 2,824.08 and 727.96

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Solution

The fourth proportional to 1,883.56, 2,824.08 and 727.96 is: 1,091.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,883.56 : 2,824.08 = 727.96 : x
  2. Step 2: Convert to fraction form
    1,883.56/2,824.08 = 727.96/x
  3. Step 3: Cross multiply
    1,883.56x = 2,824.08 × 727.96
  4. Step 4: Simplify right side
    1,883.56x = 2,055,817.28
  5. Step 5: Solve for x
    x = 2,055,817.28/1,883.56
  6. Step 6: Final answer
    x = 1,091.45

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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.