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Finding the Fourth Proportional to 1,814.99, 2,717.00 and 1,196.75

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Solution

The fourth proportional to 1,814.99, 2,717.00 and 1,196.75 is: 1,791.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,814.99 : 2,717.00 = 1,196.75 : x
  2. Step 2: Convert to fraction form
    1,814.99/2,717.00 = 1,196.75/x
  3. Step 3: Cross multiply
    1,814.99x = 2,717.00 × 1,196.75
  4. Step 4: Simplify right side
    1,814.99x = 3,251,550.18
  5. Step 5: Solve for x
    x = 3,251,550.18/1,814.99
  6. Step 6: Final answer
    x = 1,791.50

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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.