Home / 3,600.42-5,400.66-1,003.20

Finding the Fourth Proportional to 3,600.42, 5,400.66 and 1,003.20

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Solution

The fourth proportional to 3,600.42, 5,400.66 and 1,003.20 is: 1,504.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.42 : 5,400.66 = 1,003.20 : x
  2. Step 2: Convert to fraction form
    3,600.42/5,400.66 = 1,003.20/x
  3. Step 3: Cross multiply
    3,600.42x = 5,400.66 × 1,003.20
  4. Step 4: Simplify right side
    3,600.42x = 5,417,942.11
  5. Step 5: Solve for x
    x = 5,417,942.11/3,600.42
  6. Step 6: Final answer
    x = 1,504.81

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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.