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Finding the Fourth Proportional to 1,414.35, 1,951.97 and 1,368.99

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Solution

The fourth proportional to 1,414.35, 1,951.97 and 1,368.99 is: 1,889.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,414.35 : 1,951.97 = 1,368.99 : x
  2. Step 2: Convert to fraction form
    1,414.35/1,951.97 = 1,368.99/x
  3. Step 3: Cross multiply
    1,414.35x = 1,951.97 × 1,368.99
  4. Step 4: Simplify right side
    1,414.35x = 2,672,220.57
  5. Step 5: Solve for x
    x = 2,672,220.57/1,414.35
  6. Step 6: Final answer
    x = 1,889.36

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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.