Home / 2,840.67-4,260.96-1,109.25

Finding the Fourth Proportional to 2,840.67, 4,260.96 and 1,109.25

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Solution

The fourth proportional to 2,840.67, 4,260.96 and 1,109.25 is: 1,663.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840.67 : 4,260.96 = 1,109.25 : x
  2. Step 2: Convert to fraction form
    2,840.67/4,260.96 = 1,109.25/x
  3. Step 3: Cross multiply
    2,840.67x = 4,260.96 × 1,109.25
  4. Step 4: Simplify right side
    2,840.67x = 4,726,469.88
  5. Step 5: Solve for x
    x = 4,726,469.88/2,840.67
  6. Step 6: Final answer
    x = 1,663.86

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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.