Home / 3,814.55-5,722.40-1,349.39

Finding the Fourth Proportional to 3,814.55, 5,722.40 and 1,349.39

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Solution

The fourth proportional to 3,814.55, 5,722.40 and 1,349.39 is: 2,024.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,814.55 : 5,722.40 = 1,349.39 : x
  2. Step 2: Convert to fraction form
    3,814.55/5,722.40 = 1,349.39/x
  3. Step 3: Cross multiply
    3,814.55x = 5,722.40 × 1,349.39
  4. Step 4: Simplify right side
    3,814.55x = 7,721,756.90
  5. Step 5: Solve for x
    x = 7,721,756.90/3,814.55
  6. Step 6: Final answer
    x = 2,024.29

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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.