Home / 3,814.67-5,722.61-1,217

Finding the Fourth Proportional to 3,814.67, 5,722.61 and 1,217

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Solution

The fourth proportional to 3,814.67, 5,722.61 and 1,217 is: 1,825.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,814.67 : 5,722.61 = 1,217 : x
  2. Step 2: Convert to fraction form
    3,814.67/5,722.61 = 1,217/x
  3. Step 3: Cross multiply
    3,814.67x = 5,722.61 × 1,217
  4. Step 4: Simplify right side
    3,814.67x = 6,964,416.37
  5. Step 5: Solve for x
    x = 6,964,416.37/3,814.67
  6. Step 6: Final answer
    x = 1,825.69

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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.