Home / 3,131.33-4,698.73-1,745.45

Finding the Fourth Proportional to 3,131.33, 4,698.73 and 1,745.45

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Solution

The fourth proportional to 3,131.33, 4,698.73 and 1,745.45 is: 2,619.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131.33 : 4,698.73 = 1,745.45 : x
  2. Step 2: Convert to fraction form
    3,131.33/4,698.73 = 1,745.45/x
  3. Step 3: Cross multiply
    3,131.33x = 4,698.73 × 1,745.45
  4. Step 4: Simplify right side
    3,131.33x = 8,201,388.04
  5. Step 5: Solve for x
    x = 8,201,388.04/3,131.33
  6. Step 6: Final answer
    x = 2,619.14

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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.