Home / 2,940.78-4,412.88-1,093.23

Finding the Fourth Proportional to 2,940.78, 4,412.88 and 1,093.23

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Solution

The fourth proportional to 2,940.78, 4,412.88 and 1,093.23 is: 1,640.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.78 : 4,412.88 = 1,093.23 : x
  2. Step 2: Convert to fraction form
    2,940.78/4,412.88 = 1,093.23/x
  3. Step 3: Cross multiply
    2,940.78x = 4,412.88 × 1,093.23
  4. Step 4: Simplify right side
    2,940.78x = 4,824,292.80
  5. Step 5: Solve for x
    x = 4,824,292.80/2,940.78
  6. Step 6: Final answer
    x = 1,640.48

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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.