Home / 3,600.37-5,400.60-1,003.51

Finding the Fourth Proportional to 3,600.37, 5,400.60 and 1,003.51

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Solution

The fourth proportional to 3,600.37, 5,400.60 and 1,003.51 is: 1,505.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.37 : 5,400.60 = 1,003.51 : x
  2. Step 2: Convert to fraction form
    3,600.37/5,400.60 = 1,003.51/x
  3. Step 3: Cross multiply
    3,600.37x = 5,400.60 × 1,003.51
  4. Step 4: Simplify right side
    3,600.37x = 5,419,556.11
  5. Step 5: Solve for x
    x = 5,419,556.11/3,600.37
  6. Step 6: Final answer
    x = 1,505.28

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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.