Home / 3,058.35-4,222.29-1,940.23

Finding the Fourth Proportional to 3,058.35, 4,222.29 and 1,940.23

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Solution

The fourth proportional to 3,058.35, 4,222.29 and 1,940.23 is: 2,678.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058.35 : 4,222.29 = 1,940.23 : x
  2. Step 2: Convert to fraction form
    3,058.35/4,222.29 = 1,940.23/x
  3. Step 3: Cross multiply
    3,058.35x = 4,222.29 × 1,940.23
  4. Step 4: Simplify right side
    3,058.35x = 8,192,213.73
  5. Step 5: Solve for x
    x = 8,192,213.73/3,058.35
  6. Step 6: Final answer
    x = 2,678.64

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1.5x scale

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.