Home / 2,311.74-3,464.19-1,212.77

Finding the Fourth Proportional to 2,311.74, 3,464.19 and 1,212.77

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Solution

The fourth proportional to 2,311.74, 3,464.19 and 1,212.77 is: 1,817.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311.74 : 3,464.19 = 1,212.77 : x
  2. Step 2: Convert to fraction form
    2,311.74/3,464.19 = 1,212.77/x
  3. Step 3: Cross multiply
    2,311.74x = 3,464.19 × 1,212.77
  4. Step 4: Simplify right side
    2,311.74x = 4,201,277.78
  5. Step 5: Solve for x
    x = 4,201,277.78/2,311.74
  6. Step 6: Final answer
    x = 1,817.37

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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.