Home / 3,745.97-5,618.46-1,113.43

Finding the Fourth Proportional to 3,745.97, 5,618.46 and 1,113.43

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Solution

The fourth proportional to 3,745.97, 5,618.46 and 1,113.43 is: 1,669.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.97 : 5,618.46 = 1,113.43 : x
  2. Step 2: Convert to fraction form
    3,745.97/5,618.46 = 1,113.43/x
  3. Step 3: Cross multiply
    3,745.97x = 5,618.46 × 1,113.43
  4. Step 4: Simplify right side
    3,745.97x = 6,255,743.68
  5. Step 5: Solve for x
    x = 6,255,743.68/3,745.97
  6. Step 6: Final answer
    x = 1,669.99

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1.5x scale

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.