Home / 2,858.44-3,946.58-1,796.64

Finding the Fourth Proportional to 2,858.44, 3,946.58 and 1,796.64

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Solution

The fourth proportional to 2,858.44, 3,946.58 and 1,796.64 is: 2,480.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858.44 : 3,946.58 = 1,796.64 : x
  2. Step 2: Convert to fraction form
    2,858.44/3,946.58 = 1,796.64/x
  3. Step 3: Cross multiply
    2,858.44x = 3,946.58 × 1,796.64
  4. Step 4: Simplify right side
    2,858.44x = 7,090,583.49
  5. Step 5: Solve for x
    x = 7,090,583.49/2,858.44
  6. Step 6: Final answer
    x = 2,480.58

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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.