Home / 1,469.85-2,192.39-1,367.79

Finding the Fourth Proportional to 1,469.85, 2,192.39 and 1,367.79

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Solution

The fourth proportional to 1,469.85, 2,192.39 and 1,367.79 is: 2,040.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469.85 : 2,192.39 = 1,367.79 : x
  2. Step 2: Convert to fraction form
    1,469.85/2,192.39 = 1,367.79/x
  3. Step 3: Cross multiply
    1,469.85x = 2,192.39 × 1,367.79
  4. Step 4: Simplify right side
    1,469.85x = 2,998,722.28
  5. Step 5: Solve for x
    x = 2,998,722.28/1,469.85
  6. Step 6: Final answer
    x = 2,040.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.