Home / 3,600.64-5,400.96-1,003.51

Finding the Fourth Proportional to 3,600.64, 5,400.96 and 1,003.51

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Solution

The fourth proportional to 3,600.64, 5,400.96 and 1,003.51 is: 1,505.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.64 : 5,400.96 = 1,003.51 : x
  2. Step 2: Convert to fraction form
    3,600.64/5,400.96 = 1,003.51/x
  3. Step 3: Cross multiply
    3,600.64x = 5,400.96 × 1,003.51
  4. Step 4: Simplify right side
    3,600.64x = 5,419,917.37
  5. Step 5: Solve for x
    x = 5,419,917.37/3,600.64
  6. Step 6: Final answer
    x = 1,505.27

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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.