Home / 2,912.75-4,019.55-1,733.79

Finding the Fourth Proportional to 2,912.75, 4,019.55 and 1,733.79

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Solution

The fourth proportional to 2,912.75, 4,019.55 and 1,733.79 is: 2,392.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.75 : 4,019.55 = 1,733.79 : x
  2. Step 2: Convert to fraction form
    2,912.75/4,019.55 = 1,733.79/x
  3. Step 3: Cross multiply
    2,912.75x = 4,019.55 × 1,733.79
  4. Step 4: Simplify right side
    2,912.75x = 6,969,055.59
  5. Step 5: Solve for x
    x = 6,969,055.59/2,912.75
  6. Step 6: Final answer
    x = 2,392.60

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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.