Home / 3,863.24-5,789.63-2,818.34

Finding the Fourth Proportional to 3,863.24, 5,789.63 and 2,818.34

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Solution

The fourth proportional to 3,863.24, 5,789.63 and 2,818.34 is: 4,223.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.24 : 5,789.63 = 2,818.34 : x
  2. Step 2: Convert to fraction form
    3,863.24/5,789.63 = 2,818.34/x
  3. Step 3: Cross multiply
    3,863.24x = 5,789.63 × 2,818.34
  4. Step 4: Simplify right side
    3,863.24x = 16,317,102.77
  5. Step 5: Solve for x
    x = 16,317,102.77/3,863.24
  6. Step 6: Final answer
    x = 4,223.69

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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.