Home / 3,600.45-5,400.81-1,003.32

Finding the Fourth Proportional to 3,600.45, 5,400.81 and 1,003.32

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Solution

The fourth proportional to 3,600.45, 5,400.81 and 1,003.32 is: 1,505.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.45 : 5,400.81 = 1,003.32 : x
  2. Step 2: Convert to fraction form
    3,600.45/5,400.81 = 1,003.32/x
  3. Step 3: Cross multiply
    3,600.45x = 5,400.81 × 1,003.32
  4. Step 4: Simplify right side
    3,600.45x = 5,418,740.69
  5. Step 5: Solve for x
    x = 5,418,740.69/3,600.45
  6. Step 6: Final answer
    x = 1,505.02

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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.