Home / 3,745.36-5,168.44-2,151.52

Finding the Fourth Proportional to 3,745.36, 5,168.44 and 2,151.52

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Solution

The fourth proportional to 3,745.36, 5,168.44 and 2,151.52 is: 2,969.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745.36 : 5,168.44 = 2,151.52 : x
  2. Step 2: Convert to fraction form
    3,745.36/5,168.44 = 2,151.52/x
  3. Step 3: Cross multiply
    3,745.36x = 5,168.44 × 2,151.52
  4. Step 4: Simplify right side
    3,745.36x = 11,120,002.03
  5. Step 5: Solve for x
    x = 11,120,002.03/3,745.36
  6. Step 6: Final answer
    x = 2,969.01

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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.