Home / 3,883.17-5,358.81-2,114.79

Finding the Fourth Proportional to 3,883.17, 5,358.81 and 2,114.79

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Solution

The fourth proportional to 3,883.17, 5,358.81 and 2,114.79 is: 2,918.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,883.17 : 5,358.81 = 2,114.79 : x
  2. Step 2: Convert to fraction form
    3,883.17/5,358.81 = 2,114.79/x
  3. Step 3: Cross multiply
    3,883.17x = 5,358.81 × 2,114.79
  4. Step 4: Simplify right side
    3,883.17x = 11,332,763.88
  5. Step 5: Solve for x
    x = 11,332,763.88/3,883.17
  6. Step 6: Final answer
    x = 2,918.43

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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.