Home / 1,961.55-2,707.09-1,843.34

Finding the Fourth Proportional to 1,961.55, 2,707.09 and 1,843.34

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Solution

The fourth proportional to 1,961.55, 2,707.09 and 1,843.34 is: 2,543.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961.55 : 2,707.09 = 1,843.34 : x
  2. Step 2: Convert to fraction form
    1,961.55/2,707.09 = 1,843.34/x
  3. Step 3: Cross multiply
    1,961.55x = 2,707.09 × 1,843.34
  4. Step 4: Simplify right side
    1,961.55x = 4,990,069.14
  5. Step 5: Solve for x
    x = 4,990,069.14/1,961.55
  6. Step 6: Final answer
    x = 2,543.94

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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.