Home / 2,736.45-4,104.68-1,954.80

Finding the Fourth Proportional to 2,736.45, 4,104.68 and 1,954.80

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Solution

The fourth proportional to 2,736.45, 4,104.68 and 1,954.80 is: 2,932.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,736.45 : 4,104.68 = 1,954.80 : x
  2. Step 2: Convert to fraction form
    2,736.45/4,104.68 = 1,954.80/x
  3. Step 3: Cross multiply
    2,736.45x = 4,104.68 × 1,954.80
  4. Step 4: Simplify right side
    2,736.45x = 8,023,818.69
  5. Step 5: Solve for x
    x = 8,023,818.69/2,736.45
  6. Step 6: Final answer
    x = 2,932.20

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1.5x scale

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.