Home / 1,180.22-1,629.01-683.16

Finding the Fourth Proportional to 1,180.22, 1,629.01 and 683.16

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Solution

The fourth proportional to 1,180.22, 1,629.01 and 683.16 is: 942.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180.22 : 1,629.01 = 683.16 : x
  2. Step 2: Convert to fraction form
    1,180.22/1,629.01 = 683.16/x
  3. Step 3: Cross multiply
    1,180.22x = 1,629.01 × 683.16
  4. Step 4: Simplify right side
    1,180.22x = 1,112,873.80
  5. Step 5: Solve for x
    x = 1,112,873.80/1,180.22
  6. Step 6: Final answer
    x = 942.94

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1.5x scale

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.