Home / 2,164.26-3,246.08-1,236.80

Finding the Fourth Proportional to 2,164.26, 3,246.08 and 1,236.80

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Solution

The fourth proportional to 2,164.26, 3,246.08 and 1,236.80 is: 1,855.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164.26 : 3,246.08 = 1,236.80 : x
  2. Step 2: Convert to fraction form
    2,164.26/3,246.08 = 1,236.80/x
  3. Step 3: Cross multiply
    2,164.26x = 3,246.08 × 1,236.80
  4. Step 4: Simplify right side
    2,164.26x = 4,014,751.74
  5. Step 5: Solve for x
    x = 4,014,751.74/2,164.26
  6. Step 6: Final answer
    x = 1,855.02

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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.