Home / 3,600.88-5,400.45-1,379.25

Finding the Fourth Proportional to 3,600.88, 5,400.45 and 1,379.25

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Solution

The fourth proportional to 3,600.88, 5,400.45 and 1,379.25 is: 2,068.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.88 : 5,400.45 = 1,379.25 : x
  2. Step 2: Convert to fraction form
    3,600.88/5,400.45 = 1,379.25/x
  3. Step 3: Cross multiply
    3,600.88x = 5,400.45 × 1,379.25
  4. Step 4: Simplify right side
    3,600.88x = 7,448,570.66
  5. Step 5: Solve for x
    x = 7,448,570.66/3,600.88
  6. Step 6: Final answer
    x = 2,068.54

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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.