Home / 2,912.37-4,019.39-1,793.08

Finding the Fourth Proportional to 2,912.37, 4,019.39 and 1,793.08

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Solution

The fourth proportional to 2,912.37, 4,019.39 and 1,793.08 is: 2,474.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.37 : 4,019.39 = 1,793.08 : x
  2. Step 2: Convert to fraction form
    2,912.37/4,019.39 = 1,793.08/x
  3. Step 3: Cross multiply
    2,912.37x = 4,019.39 × 1,793.08
  4. Step 4: Simplify right side
    2,912.37x = 7,207,078.86
  5. Step 5: Solve for x
    x = 7,207,078.86/2,912.37
  6. Step 6: Final answer
    x = 2,474.65

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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.