Home / 2,759.23-3,811.04-2,011.99

Finding the Fourth Proportional to 2,759.23, 3,811.04 and 2,011.99

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Solution

The fourth proportional to 2,759.23, 3,811.04 and 2,011.99 is: 2,778.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,759.23 : 3,811.04 = 2,011.99 : x
  2. Step 2: Convert to fraction form
    2,759.23/3,811.04 = 2,011.99/x
  3. Step 3: Cross multiply
    2,759.23x = 3,811.04 × 2,011.99
  4. Step 4: Simplify right side
    2,759.23x = 7,667,774.37
  5. Step 5: Solve for x
    x = 7,667,774.37/2,759.23
  6. Step 6: Final answer
    x = 2,778.95

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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.