Home / 3,469.23-5,203.76-1,619.33

Finding the Fourth Proportional to 3,469.23, 5,203.76 and 1,619.33

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Solution

The fourth proportional to 3,469.23, 5,203.76 and 1,619.33 is: 2,428.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469.23 : 5,203.76 = 1,619.33 : x
  2. Step 2: Convert to fraction form
    3,469.23/5,203.76 = 1,619.33/x
  3. Step 3: Cross multiply
    3,469.23x = 5,203.76 × 1,619.33
  4. Step 4: Simplify right side
    3,469.23x = 8,426,570.57
  5. Step 5: Solve for x
    x = 8,426,570.57/3,469.23
  6. Step 6: Final answer
    x = 2,428.95

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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.