Home / 1,231.29-1,845.86-462.33

Finding the Fourth Proportional to 1,231.29, 1,845.86 and 462.33

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Solution

The fourth proportional to 1,231.29, 1,845.86 and 462.33 is: 693.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231.29 : 1,845.86 = 462.33 : x
  2. Step 2: Convert to fraction form
    1,231.29/1,845.86 = 462.33/x
  3. Step 3: Cross multiply
    1,231.29x = 1,845.86 × 462.33
  4. Step 4: Simplify right side
    1,231.29x = 853,394.14
  5. Step 5: Solve for x
    x = 853,394.14/1,231.29
  6. Step 6: Final answer
    x = 693.09

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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.