Home / 2,759.69-4,139.54-1,941.62

Finding the Fourth Proportional to 2,759.69, 4,139.54 and 1,941.62

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Solution

The fourth proportional to 2,759.69, 4,139.54 and 1,941.62 is: 2,912.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,759.69 : 4,139.54 = 1,941.62 : x
  2. Step 2: Convert to fraction form
    2,759.69/4,139.54 = 1,941.62/x
  3. Step 3: Cross multiply
    2,759.69x = 4,139.54 × 1,941.62
  4. Step 4: Simplify right side
    2,759.69x = 8,037,403.95
  5. Step 5: Solve for x
    x = 8,037,403.95/2,759.69
  6. Step 6: Final answer
    x = 2,912.43

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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.