Home / 2,540.26-3,504.92-1,912.30

Finding the Fourth Proportional to 2,540.26, 3,504.92 and 1,912.30

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Solution

The fourth proportional to 2,540.26, 3,504.92 and 1,912.30 is: 2,638.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540.26 : 3,504.92 = 1,912.30 : x
  2. Step 2: Convert to fraction form
    2,540.26/3,504.92 = 1,912.30/x
  3. Step 3: Cross multiply
    2,540.26x = 3,504.92 × 1,912.30
  4. Step 4: Simplify right side
    2,540.26x = 6,702,458.52
  5. Step 5: Solve for x
    x = 6,702,458.52/2,540.26
  6. Step 6: Final answer
    x = 2,638.49

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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.