Home / 3,579.98-5,367.77-1,239.44

Finding the Fourth Proportional to 3,579.98, 5,367.77 and 1,239.44

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Solution

The fourth proportional to 3,579.98, 5,367.77 and 1,239.44 is: 1,858.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.98 : 5,367.77 = 1,239.44 : x
  2. Step 2: Convert to fraction form
    3,579.98/5,367.77 = 1,239.44/x
  3. Step 3: Cross multiply
    3,579.98x = 5,367.77 × 1,239.44
  4. Step 4: Simplify right side
    3,579.98x = 6,653,040.72
  5. Step 5: Solve for x
    x = 6,653,040.72/3,579.98
  6. Step 6: Final answer
    x = 1,858.40

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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.