Home / 3,844.83-5,767.47-1,212.75

Finding the Fourth Proportional to 3,844.83, 5,767.47 and 1,212.75

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Solution

The fourth proportional to 3,844.83, 5,767.47 and 1,212.75 is: 1,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,844.83 : 5,767.47 = 1,212.75 : x
  2. Step 2: Convert to fraction form
    3,844.83/5,767.47 = 1,212.75/x
  3. Step 3: Cross multiply
    3,844.83x = 5,767.47 × 1,212.75
  4. Step 4: Simplify right side
    3,844.83x = 6,994,499.24
  5. Step 5: Solve for x
    x = 6,994,499.24/3,844.83
  6. Step 6: Final answer
    x = 1,819.20

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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.