Home / 2,260.37-3,390.56-1,105.31

Finding the Fourth Proportional to 2,260.37, 3,390.56 and 1,105.31

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Solution

The fourth proportional to 2,260.37, 3,390.56 and 1,105.31 is: 1,657.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,260.37 : 3,390.56 = 1,105.31 : x
  2. Step 2: Convert to fraction form
    2,260.37/3,390.56 = 1,105.31/x
  3. Step 3: Cross multiply
    2,260.37x = 3,390.56 × 1,105.31
  4. Step 4: Simplify right side
    2,260.37x = 3,747,626.97
  5. Step 5: Solve for x
    x = 3,747,626.97/2,260.37
  6. Step 6: Final answer
    x = 1,657.97

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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.