Home / 2,634.16-3,942.66-1,940.55

Finding the Fourth Proportional to 2,634.16, 3,942.66 and 1,940.55

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Solution

The fourth proportional to 2,634.16, 3,942.66 and 1,940.55 is: 2,904.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,634.16 : 3,942.66 = 1,940.55 : x
  2. Step 2: Convert to fraction form
    2,634.16/3,942.66 = 1,940.55/x
  3. Step 3: Cross multiply
    2,634.16x = 3,942.66 × 1,940.55
  4. Step 4: Simplify right side
    2,634.16x = 7,650,928.86
  5. Step 5: Solve for x
    x = 7,650,928.86/2,634.16
  6. Step 6: Final answer
    x = 2,904.51

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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.