Home / 2,725.44-4,090.59-1,085.19

Finding the Fourth Proportional to 2,725.44, 4,090.59 and 1,085.19

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Solution

The fourth proportional to 2,725.44, 4,090.59 and 1,085.19 is: 1,628.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,725.44 : 4,090.59 = 1,085.19 : x
  2. Step 2: Convert to fraction form
    2,725.44/4,090.59 = 1,085.19/x
  3. Step 3: Cross multiply
    2,725.44x = 4,090.59 × 1,085.19
  4. Step 4: Simplify right side
    2,725.44x = 4,439,067.36
  5. Step 5: Solve for x
    x = 4,439,067.36/2,725.44
  6. Step 6: Final answer
    x = 1,628.75

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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.