Home / 1,954.49-2,697.44-1,115.33

Finding the Fourth Proportional to 1,954.49, 2,697.44 and 1,115.33

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Solution

The fourth proportional to 1,954.49, 2,697.44 and 1,115.33 is: 1,539.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954.49 : 2,697.44 = 1,115.33 : x
  2. Step 2: Convert to fraction form
    1,954.49/2,697.44 = 1,115.33/x
  3. Step 3: Cross multiply
    1,954.49x = 2,697.44 × 1,115.33
  4. Step 4: Simplify right side
    1,954.49x = 3,008,516.69
  5. Step 5: Solve for x
    x = 3,008,516.69/1,954.49
  6. Step 6: Final answer
    x = 1,539.29

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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.