Home / 1,336.37-2,004.95-605.75

Finding the Fourth Proportional to 1,336.37, 2,004.95 and 605.75

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Solution

The fourth proportional to 1,336.37, 2,004.95 and 605.75 is: 908.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336.37 : 2,004.95 = 605.75 : x
  2. Step 2: Convert to fraction form
    1,336.37/2,004.95 = 605.75/x
  3. Step 3: Cross multiply
    1,336.37x = 2,004.95 × 605.75
  4. Step 4: Simplify right side
    1,336.37x = 1,214,489.95
  5. Step 5: Solve for x
    x = 1,214,489.95/1,336.37
  6. Step 6: Final answer
    x = 908.80

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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.