Home / 2,975.36-4,106.08-1,796.64

Finding the Fourth Proportional to 2,975.36, 4,106.08 and 1,796.64

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Solution

The fourth proportional to 2,975.36, 4,106.08 and 1,796.64 is: 2,479.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.36 : 4,106.08 = 1,796.64 : x
  2. Step 2: Convert to fraction form
    2,975.36/4,106.08 = 1,796.64/x
  3. Step 3: Cross multiply
    2,975.36x = 4,106.08 × 1,796.64
  4. Step 4: Simplify right side
    2,975.36x = 7,377,147.57
  5. Step 5: Solve for x
    x = 7,377,147.57/2,975.36
  6. Step 6: Final answer
    x = 2,479.41

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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.