Home / 1,936.60-2,908.44-1,858.32

Finding the Fourth Proportional to 1,936.60, 2,908.44 and 1,858.32

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Solution

The fourth proportional to 1,936.60, 2,908.44 and 1,858.32 is: 2,790.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936.60 : 2,908.44 = 1,858.32 : x
  2. Step 2: Convert to fraction form
    1,936.60/2,908.44 = 1,858.32/x
  3. Step 3: Cross multiply
    1,936.60x = 2,908.44 × 1,858.32
  4. Step 4: Simplify right side
    1,936.60x = 5,404,812.22
  5. Step 5: Solve for x
    x = 5,404,812.22/1,936.60
  6. Step 6: Final answer
    x = 2,790.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.