Home / 1,469.13-2,027.60-945.06

Finding the Fourth Proportional to 1,469.13, 2,027.60 and 945.06

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Solution

The fourth proportional to 1,469.13, 2,027.60 and 945.06 is: 1,304.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469.13 : 2,027.60 = 945.06 : x
  2. Step 2: Convert to fraction form
    1,469.13/2,027.60 = 945.06/x
  3. Step 3: Cross multiply
    1,469.13x = 2,027.60 × 945.06
  4. Step 4: Simplify right side
    1,469.13x = 1,916,203.66
  5. Step 5: Solve for x
    x = 1,916,203.66/1,469.13
  6. Step 6: Final answer
    x = 1,304.31

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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.