Home / 3,188.03-4,785.21-2,609.82

Finding the Fourth Proportional to 3,188.03, 4,785.21 and 2,609.82

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Solution

The fourth proportional to 3,188.03, 4,785.21 and 2,609.82 is: 3,917.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.03 : 4,785.21 = 2,609.82 : x
  2. Step 2: Convert to fraction form
    3,188.03/4,785.21 = 2,609.82/x
  3. Step 3: Cross multiply
    3,188.03x = 4,785.21 × 2,609.82
  4. Step 4: Simplify right side
    3,188.03x = 12,488,536.76
  5. Step 5: Solve for x
    x = 12,488,536.76/3,188.03
  6. Step 6: Final answer
    x = 3,917.33

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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.