Home / 1,635.56-2,256.96-927.44

Finding the Fourth Proportional to 1,635.56, 2,256.96 and 927.44

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Solution

The fourth proportional to 1,635.56, 2,256.96 and 927.44 is: 1,279.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635.56 : 2,256.96 = 927.44 : x
  2. Step 2: Convert to fraction form
    1,635.56/2,256.96 = 927.44/x
  3. Step 3: Cross multiply
    1,635.56x = 2,256.96 × 927.44
  4. Step 4: Simplify right side
    1,635.56x = 2,093,194.98
  5. Step 5: Solve for x
    x = 2,093,194.98/1,635.56
  6. Step 6: Final answer
    x = 1,279.80

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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.