Home / 1,936.48-2,671.46-1,190.16

Finding the Fourth Proportional to 1,936.48, 2,671.46 and 1,190.16

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Solution

The fourth proportional to 1,936.48, 2,671.46 and 1,190.16 is: 1,641.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936.48 : 2,671.46 = 1,190.16 : x
  2. Step 2: Convert to fraction form
    1,936.48/2,671.46 = 1,190.16/x
  3. Step 3: Cross multiply
    1,936.48x = 2,671.46 × 1,190.16
  4. Step 4: Simplify right side
    1,936.48x = 3,179,464.83
  5. Step 5: Solve for x
    x = 3,179,464.83/1,936.48
  6. Step 6: Final answer
    x = 1,641.88

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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.