Home / 1,944.83-2,684.12-1,236.80

Finding the Fourth Proportional to 1,944.83, 2,684.12 and 1,236.80

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Solution

The fourth proportional to 1,944.83, 2,684.12 and 1,236.80 is: 1,706.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944.83 : 2,684.12 = 1,236.80 : x
  2. Step 2: Convert to fraction form
    1,944.83/2,684.12 = 1,236.80/x
  3. Step 3: Cross multiply
    1,944.83x = 2,684.12 × 1,236.80
  4. Step 4: Simplify right side
    1,944.83x = 3,319,720.14
  5. Step 5: Solve for x
    x = 3,319,720.14/1,944.83
  6. Step 6: Final answer
    x = 1,706.94

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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.