Home / 1,469.10-2,027.35-805.97

Finding the Fourth Proportional to 1,469.10, 2,027.35 and 805.97

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Solution

The fourth proportional to 1,469.10, 2,027.35 and 805.97 is: 1,112.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469.10 : 2,027.35 = 805.97 : x
  2. Step 2: Convert to fraction form
    1,469.10/2,027.35 = 805.97/x
  3. Step 3: Cross multiply
    1,469.10x = 2,027.35 × 805.97
  4. Step 4: Simplify right side
    1,469.10x = 1,633,969.11
  5. Step 5: Solve for x
    x = 1,633,969.11/1,469.10
  6. Step 6: Final answer
    x = 1,112.22

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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.