Home / 3,600.55-5,400.24-1,408.51

Finding the Fourth Proportional to 3,600.55, 5,400.24 and 1,408.51

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Solution

The fourth proportional to 3,600.55, 5,400.24 and 1,408.51 is: 2,112.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.55 : 5,400.24 = 1,408.51 : x
  2. Step 2: Convert to fraction form
    3,600.55/5,400.24 = 1,408.51/x
  3. Step 3: Cross multiply
    3,600.55x = 5,400.24 × 1,408.51
  4. Step 4: Simplify right side
    3,600.55x = 7,606,292.04
  5. Step 5: Solve for x
    x = 7,606,292.04/3,600.55
  6. Step 6: Final answer
    x = 2,112.54

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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.