Home / 2,975.94-4,106.91-1,796.79

Finding the Fourth Proportional to 2,975.94, 4,106.91 and 1,796.79

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Solution

The fourth proportional to 2,975.94, 4,106.91 and 1,796.79 is: 2,479.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.94 : 4,106.91 = 1,796.79 : x
  2. Step 2: Convert to fraction form
    2,975.94/4,106.91 = 1,796.79/x
  3. Step 3: Cross multiply
    2,975.94x = 4,106.91 × 1,796.79
  4. Step 4: Simplify right side
    2,975.94x = 7,379,254.82
  5. Step 5: Solve for x
    x = 7,379,254.82/2,975.94
  6. Step 6: Final answer
    x = 2,479.64

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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.