Home / 1,211.94-1,818.60-1,008.97

Finding the Fourth Proportional to 1,211.94, 1,818.60 and 1,008.97

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Solution

The fourth proportional to 1,211.94, 1,818.60 and 1,008.97 is: 1,514.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211.94 : 1,818.60 = 1,008.97 : x
  2. Step 2: Convert to fraction form
    1,211.94/1,818.60 = 1,008.97/x
  3. Step 3: Cross multiply
    1,211.94x = 1,818.60 × 1,008.97
  4. Step 4: Simplify right side
    1,211.94x = 1,834,912.84
  5. Step 5: Solve for x
    x = 1,834,912.84/1,211.94
  6. Step 6: Final answer
    x = 1,514.03

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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.