Home / 3,983.23-5,496.78-2,214.79

Finding the Fourth Proportional to 3,983.23, 5,496.78 and 2,214.79

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Solution

The fourth proportional to 3,983.23, 5,496.78 and 2,214.79 is: 3,056.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983.23 : 5,496.78 = 2,214.79 : x
  2. Step 2: Convert to fraction form
    3,983.23/5,496.78 = 2,214.79/x
  3. Step 3: Cross multiply
    3,983.23x = 5,496.78 × 2,214.79
  4. Step 4: Simplify right side
    3,983.23x = 12,174,213.38
  5. Step 5: Solve for x
    x = 12,174,213.38/3,983.23
  6. Step 6: Final answer
    x = 3,056.37

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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.