Home / 1,961.25-2,941.26-1,083.42

Finding the Fourth Proportional to 1,961.25, 2,941.26 and 1,083.42

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Solution

The fourth proportional to 1,961.25, 2,941.26 and 1,083.42 is: 1,624.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961.25 : 2,941.26 = 1,083.42 : x
  2. Step 2: Convert to fraction form
    1,961.25/2,941.26 = 1,083.42/x
  3. Step 3: Cross multiply
    1,961.25x = 2,941.26 × 1,083.42
  4. Step 4: Simplify right side
    1,961.25x = 3,186,619.91
  5. Step 5: Solve for x
    x = 3,186,619.91/1,961.25
  6. Step 6: Final answer
    x = 1,624.79

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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.