Home / 1,244.21-1,861.18-1,022.33

Finding the Fourth Proportional to 1,244.21, 1,861.18 and 1,022.33

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Solution

The fourth proportional to 1,244.21, 1,861.18 and 1,022.33 is: 1,529.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244.21 : 1,861.18 = 1,022.33 : x
  2. Step 2: Convert to fraction form
    1,244.21/1,861.18 = 1,022.33/x
  3. Step 3: Cross multiply
    1,244.21x = 1,861.18 × 1,022.33
  4. Step 4: Simplify right side
    1,244.21x = 1,902,742.25
  5. Step 5: Solve for x
    x = 1,902,742.25/1,244.21
  6. Step 6: Final answer
    x = 1,529.28

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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.