Home / 1,944.39-2,933.91-1,868.46

Finding the Fourth Proportional to 1,944.39, 2,933.91 and 1,868.46

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Solution

The fourth proportional to 1,944.39, 2,933.91 and 1,868.46 is: 2,819.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944.39 : 2,933.91 = 1,868.46 : x
  2. Step 2: Convert to fraction form
    1,944.39/2,933.91 = 1,868.46/x
  3. Step 3: Cross multiply
    1,944.39x = 2,933.91 × 1,868.46
  4. Step 4: Simplify right side
    1,944.39x = 5,481,893.48
  5. Step 5: Solve for x
    x = 5,481,893.48/1,944.39
  6. Step 6: Final answer
    x = 2,819.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.