Home / 3,745.06-5,617.38-1,147.99

Finding the Fourth Proportional to 3,745.06, 5,617.38 and 1,147.99

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Solution

The fourth proportional to 3,745.06, 5,617.38 and 1,147.99 is: 1,721.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.06 : 5,617.38 = 1,147.99 : x
  2. Step 2: Convert to fraction form
    3,745.06/5,617.38 = 1,147.99/x
  3. Step 3: Cross multiply
    3,745.06x = 5,617.38 × 1,147.99
  4. Step 4: Simplify right side
    3,745.06x = 6,448,696.07
  5. Step 5: Solve for x
    x = 6,448,696.07/3,745.06
  6. Step 6: Final answer
    x = 1,721.92

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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.