Home / 1,944.75-2,683.81-1,199.21

Finding the Fourth Proportional to 1,944.75, 2,683.81 and 1,199.21

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Solution

The fourth proportional to 1,944.75, 2,683.81 and 1,199.21 is: 1,654.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944.75 : 2,683.81 = 1,199.21 : x
  2. Step 2: Convert to fraction form
    1,944.75/2,683.81 = 1,199.21/x
  3. Step 3: Cross multiply
    1,944.75x = 2,683.81 × 1,199.21
  4. Step 4: Simplify right side
    1,944.75x = 3,218,439.87
  5. Step 5: Solve for x
    x = 3,218,439.87/1,944.75
  6. Step 6: Final answer
    x = 1,654.93

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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.