Home / 3,815.22-5,722.38-1,349.94

Finding the Fourth Proportional to 3,815.22, 5,722.38 and 1,349.94

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Solution

The fourth proportional to 3,815.22, 5,722.38 and 1,349.94 is: 2,024.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.22 : 5,722.38 = 1,349.94 : x
  2. Step 2: Convert to fraction form
    3,815.22/5,722.38 = 1,349.94/x
  3. Step 3: Cross multiply
    3,815.22x = 5,722.38 × 1,349.94
  4. Step 4: Simplify right side
    3,815.22x = 7,724,869.66
  5. Step 5: Solve for x
    x = 7,724,869.66/3,815.22
  6. Step 6: Final answer
    x = 2,024.75

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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.