Home / 3,036.33-4,191.21-2,091.33

Finding the Fourth Proportional to 3,036.33, 4,191.21 and 2,091.33

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Solution

The fourth proportional to 3,036.33, 4,191.21 and 2,091.33 is: 2,886.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.33 : 4,191.21 = 2,091.33 : x
  2. Step 2: Convert to fraction form
    3,036.33/4,191.21 = 2,091.33/x
  3. Step 3: Cross multiply
    3,036.33x = 4,191.21 × 2,091.33
  4. Step 4: Simplify right side
    3,036.33x = 8,765,203.21
  5. Step 5: Solve for x
    x = 8,765,203.21/3,036.33
  6. Step 6: Final answer
    x = 2,886.78

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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.