Home / 3,968.51-5,476.73-2,290.19

Finding the Fourth Proportional to 3,968.51, 5,476.73 and 2,290.19

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Solution

The fourth proportional to 3,968.51, 5,476.73 and 2,290.19 is: 3,160.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.51 : 5,476.73 = 2,290.19 : x
  2. Step 2: Convert to fraction form
    3,968.51/5,476.73 = 2,290.19/x
  3. Step 3: Cross multiply
    3,968.51x = 5,476.73 × 2,290.19
  4. Step 4: Simplify right side
    3,968.51x = 12,542,713.44
  5. Step 5: Solve for x
    x = 12,542,713.44/3,968.51
  6. Step 6: Final answer
    x = 3,160.56

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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.