Home / 2,999.37-4,138.96-1,673.17

Finding the Fourth Proportional to 2,999.37, 4,138.96 and 1,673.17

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Solution

The fourth proportional to 2,999.37, 4,138.96 and 1,673.17 is: 2,308.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.37 : 4,138.96 = 1,673.17 : x
  2. Step 2: Convert to fraction form
    2,999.37/4,138.96 = 1,673.17/x
  3. Step 3: Cross multiply
    2,999.37x = 4,138.96 × 1,673.17
  4. Step 4: Simplify right side
    2,999.37x = 6,925,183.70
  5. Step 5: Solve for x
    x = 6,925,183.70/2,999.37
  6. Step 6: Final answer
    x = 2,308.88

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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.