Home / 3,213.94-4,814.52-1,983.73

Finding the Fourth Proportional to 3,213.94, 4,814.52 and 1,983.73

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Solution

The fourth proportional to 3,213.94, 4,814.52 and 1,983.73 is: 2,971.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213.94 : 4,814.52 = 1,983.73 : x
  2. Step 2: Convert to fraction form
    3,213.94/4,814.52 = 1,983.73/x
  3. Step 3: Cross multiply
    3,213.94x = 4,814.52 × 1,983.73
  4. Step 4: Simplify right side
    3,213.94x = 9,550,707.76
  5. Step 5: Solve for x
    x = 9,550,707.76/3,213.94
  6. Step 6: Final answer
    x = 2,971.65

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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.