Home / 2,255.01-3,110.19-1,940.80

Finding the Fourth Proportional to 2,255.01, 3,110.19 and 1,940.80

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Solution

The fourth proportional to 2,255.01, 3,110.19 and 1,940.80 is: 2,676.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255.01 : 3,110.19 = 1,940.80 : x
  2. Step 2: Convert to fraction form
    2,255.01/3,110.19 = 1,940.80/x
  3. Step 3: Cross multiply
    2,255.01x = 3,110.19 × 1,940.80
  4. Step 4: Simplify right side
    2,255.01x = 6,036,256.75
  5. Step 5: Solve for x
    x = 6,036,256.75/2,255.01
  6. Step 6: Final answer
    x = 2,676.82

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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.