Home / 1,961.55-2,707.01-1,175.44

Finding the Fourth Proportional to 1,961.55, 2,707.01 and 1,175.44

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Solution

The fourth proportional to 1,961.55, 2,707.01 and 1,175.44 is: 1,622.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961.55 : 2,707.01 = 1,175.44 : x
  2. Step 2: Convert to fraction form
    1,961.55/2,707.01 = 1,175.44/x
  3. Step 3: Cross multiply
    1,961.55x = 2,707.01 × 1,175.44
  4. Step 4: Simplify right side
    1,961.55x = 3,181,921.96
  5. Step 5: Solve for x
    x = 3,181,921.96/1,961.55
  6. Step 6: Final answer
    x = 1,622.15

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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.