Home / 1,832.56-2,751.68-1,105.36

Finding the Fourth Proportional to 1,832.56, 2,751.68 and 1,105.36

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Solution

The fourth proportional to 1,832.56, 2,751.68 and 1,105.36 is: 1,659.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,832.56 : 2,751.68 = 1,105.36 : x
  2. Step 2: Convert to fraction form
    1,832.56/2,751.68 = 1,105.36/x
  3. Step 3: Cross multiply
    1,832.56x = 2,751.68 × 1,105.36
  4. Step 4: Simplify right side
    1,832.56x = 3,041,597.00
  5. Step 5: Solve for x
    x = 3,041,597.00/1,832.56
  6. Step 6: Final answer
    x = 1,659.75

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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.