Home / 2,191.06-3,286.95-1,036.18

Finding the Fourth Proportional to 2,191.06, 3,286.95 and 1,036.18

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Solution

The fourth proportional to 2,191.06, 3,286.95 and 1,036.18 is: 1,554.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191.06 : 3,286.95 = 1,036.18 : x
  2. Step 2: Convert to fraction form
    2,191.06/3,286.95 = 1,036.18/x
  3. Step 3: Cross multiply
    2,191.06x = 3,286.95 × 1,036.18
  4. Step 4: Simplify right side
    2,191.06x = 3,405,871.85
  5. Step 5: Solve for x
    x = 3,405,871.85/2,191.06
  6. Step 6: Final answer
    x = 1,554.44

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1.5x scale

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.