Home / 1,814.94-2,503.44-1,394.65

Finding the Fourth Proportional to 1,814.94, 2,503.44 and 1,394.65

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Solution

The fourth proportional to 1,814.94, 2,503.44 and 1,394.65 is: 1,923.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,814.94 : 2,503.44 = 1,394.65 : x
  2. Step 2: Convert to fraction form
    1,814.94/2,503.44 = 1,394.65/x
  3. Step 3: Cross multiply
    1,814.94x = 2,503.44 × 1,394.65
  4. Step 4: Simplify right side
    1,814.94x = 3,491,425.73
  5. Step 5: Solve for x
    x = 3,491,425.73/1,814.94
  6. Step 6: Final answer
    x = 1,923.71

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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.