Home / 1,623.92-2,436.69-650.71

Finding the Fourth Proportional to 1,623.92, 2,436.69 and 650.71

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Solution

The fourth proportional to 1,623.92, 2,436.69 and 650.71 is: 976.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.92 : 2,436.69 = 650.71 : x
  2. Step 2: Convert to fraction form
    1,623.92/2,436.69 = 650.71/x
  3. Step 3: Cross multiply
    1,623.92x = 2,436.69 × 650.71
  4. Step 4: Simplify right side
    1,623.92x = 1,585,578.55
  5. Step 5: Solve for x
    x = 1,585,578.55/1,623.92
  6. Step 6: Final answer
    x = 976.39

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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.