Home / 1,774.19-2,660.75-1,181.27

Finding the Fourth Proportional to 1,774.19, 2,660.75 and 1,181.27

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Solution

The fourth proportional to 1,774.19, 2,660.75 and 1,181.27 is: 1,771.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,774.19 : 2,660.75 = 1,181.27 : x
  2. Step 2: Convert to fraction form
    1,774.19/2,660.75 = 1,181.27/x
  3. Step 3: Cross multiply
    1,774.19x = 2,660.75 × 1,181.27
  4. Step 4: Simplify right side
    1,774.19x = 3,143,058.25
  5. Step 5: Solve for x
    x = 3,143,058.25/1,774.19
  6. Step 6: Final answer
    x = 1,771.55

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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.