Home / 2,999.06-4,138.15-1,672.73

Finding the Fourth Proportional to 2,999.06, 4,138.15 and 1,672.73

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Solution

The fourth proportional to 2,999.06, 4,138.15 and 1,672.73 is: 2,308.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.06 : 4,138.15 = 1,672.73 : x
  2. Step 2: Convert to fraction form
    2,999.06/4,138.15 = 1,672.73/x
  3. Step 3: Cross multiply
    2,999.06x = 4,138.15 × 1,672.73
  4. Step 4: Simplify right side
    2,999.06x = 6,922,007.65
  5. Step 5: Solve for x
    x = 6,922,007.65/2,999.06
  6. Step 6: Final answer
    x = 2,308.06

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1.5x scale

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.