Home / 1,436.44-2,144.33-1,217.80

Finding the Fourth Proportional to 1,436.44, 2,144.33 and 1,217.80

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Solution

The fourth proportional to 1,436.44, 2,144.33 and 1,217.80 is: 1,817.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436.44 : 2,144.33 = 1,217.80 : x
  2. Step 2: Convert to fraction form
    1,436.44/2,144.33 = 1,217.80/x
  3. Step 3: Cross multiply
    1,436.44x = 2,144.33 × 1,217.80
  4. Step 4: Simplify right side
    1,436.44x = 2,611,365.07
  5. Step 5: Solve for x
    x = 2,611,365.07/1,436.44
  6. Step 6: Final answer
    x = 1,817.94

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.