Home / 2,828.69-3,902.24-1,693.81

Finding the Fourth Proportional to 2,828.69, 3,902.24 and 1,693.81

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Solution

The fourth proportional to 2,828.69, 3,902.24 and 1,693.81 is: 2,336.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.69 : 3,902.24 = 1,693.81 : x
  2. Step 2: Convert to fraction form
    2,828.69/3,902.24 = 1,693.81/x
  3. Step 3: Cross multiply
    2,828.69x = 3,902.24 × 1,693.81
  4. Step 4: Simplify right side
    2,828.69x = 6,609,662.25
  5. Step 5: Solve for x
    x = 6,609,662.25/2,828.69
  6. Step 6: Final answer
    x = 2,336.65

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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.