Home / 2,252.82-3,109.26-1,368.90

Finding the Fourth Proportional to 2,252.82, 3,109.26 and 1,368.90

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Solution

The fourth proportional to 2,252.82, 3,109.26 and 1,368.90 is: 1,889.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,252.82 : 3,109.26 = 1,368.90 : x
  2. Step 2: Convert to fraction form
    2,252.82/3,109.26 = 1,368.90/x
  3. Step 3: Cross multiply
    2,252.82x = 3,109.26 × 1,368.90
  4. Step 4: Simplify right side
    2,252.82x = 4,256,266.01
  5. Step 5: Solve for x
    x = 4,256,266.01/2,252.82
  6. Step 6: Final answer
    x = 1,889.31

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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.