Home / 2,285.76-3,427.44-1,115.97

Finding the Fourth Proportional to 2,285.76, 3,427.44 and 1,115.97

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Solution

The fourth proportional to 2,285.76, 3,427.44 and 1,115.97 is: 1,673.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285.76 : 3,427.44 = 1,115.97 : x
  2. Step 2: Convert to fraction form
    2,285.76/3,427.44 = 1,115.97/x
  3. Step 3: Cross multiply
    2,285.76x = 3,427.44 × 1,115.97
  4. Step 4: Simplify right side
    2,285.76x = 3,824,912.34
  5. Step 5: Solve for x
    x = 3,824,912.34/2,285.76
  6. Step 6: Final answer
    x = 1,673.37

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1.5x scale

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.