Home / 3,814.56-5,722.32-1,348.80

Finding the Fourth Proportional to 3,814.56, 5,722.32 and 1,348.80

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Solution

The fourth proportional to 3,814.56, 5,722.32 and 1,348.80 is: 2,023.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,814.56 : 5,722.32 = 1,348.80 : x
  2. Step 2: Convert to fraction form
    3,814.56/5,722.32 = 1,348.80/x
  3. Step 3: Cross multiply
    3,814.56x = 5,722.32 × 1,348.80
  4. Step 4: Simplify right side
    3,814.56x = 7,718,265.22
  5. Step 5: Solve for x
    x = 7,718,265.22/3,814.56
  6. Step 6: Final answer
    x = 2,023.37

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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.