Home / 1,273.59-1,912.01-1,214.73

Finding the Fourth Proportional to 1,273.59, 1,912.01 and 1,214.73

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Solution

The fourth proportional to 1,273.59, 1,912.01 and 1,214.73 is: 1,823.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273.59 : 1,912.01 = 1,214.73 : x
  2. Step 2: Convert to fraction form
    1,273.59/1,912.01 = 1,214.73/x
  3. Step 3: Cross multiply
    1,273.59x = 1,912.01 × 1,214.73
  4. Step 4: Simplify right side
    1,273.59x = 2,322,569.83
  5. Step 5: Solve for x
    x = 2,322,569.83/1,273.59
  6. Step 6: Final answer
    x = 1,823.64

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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.