Home / 2,786.48-3,845.73-1,724.58

Finding the Fourth Proportional to 2,786.48, 3,845.73 and 1,724.58

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Solution

The fourth proportional to 2,786.48, 3,845.73 and 1,724.58 is: 2,380.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,786.48 : 3,845.73 = 1,724.58 : x
  2. Step 2: Convert to fraction form
    2,786.48/3,845.73 = 1,724.58/x
  3. Step 3: Cross multiply
    2,786.48x = 3,845.73 × 1,724.58
  4. Step 4: Simplify right side
    2,786.48x = 6,632,268.51
  5. Step 5: Solve for x
    x = 6,632,268.51/2,786.48
  6. Step 6: Final answer
    x = 2,380.16

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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.