Home / 1,180.33-1,629.09-683.08

Finding the Fourth Proportional to 1,180.33, 1,629.09 and 683.08

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Solution

The fourth proportional to 1,180.33, 1,629.09 and 683.08 is: 942.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180.33 : 1,629.09 = 683.08 : x
  2. Step 2: Convert to fraction form
    1,180.33/1,629.09 = 683.08/x
  3. Step 3: Cross multiply
    1,180.33x = 1,629.09 × 683.08
  4. Step 4: Simplify right side
    1,180.33x = 1,112,798.80
  5. Step 5: Solve for x
    x = 1,112,798.80/1,180.33
  6. Step 6: Final answer
    x = 942.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.