Home / 2,845.44-4,269.24-1,285.38

Finding the Fourth Proportional to 2,845.44, 4,269.24 and 1,285.38

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Solution

The fourth proportional to 2,845.44, 4,269.24 and 1,285.38 is: 1,928.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.44 : 4,269.24 = 1,285.38 : x
  2. Step 2: Convert to fraction form
    2,845.44/4,269.24 = 1,285.38/x
  3. Step 3: Cross multiply
    2,845.44x = 4,269.24 × 1,285.38
  4. Step 4: Simplify right side
    2,845.44x = 5,487,595.71
  5. Step 5: Solve for x
    x = 5,487,595.71/2,845.44
  6. Step 6: Final answer
    x = 1,928.56

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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.