Home / 3,186.69-4,779.73-1,106.37

Finding the Fourth Proportional to 3,186.69, 4,779.73 and 1,106.37

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Solution

The fourth proportional to 3,186.69, 4,779.73 and 1,106.37 is: 1,659.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.69 : 4,779.73 = 1,106.37 : x
  2. Step 2: Convert to fraction form
    3,186.69/4,779.73 = 1,106.37/x
  3. Step 3: Cross multiply
    3,186.69x = 4,779.73 × 1,106.37
  4. Step 4: Simplify right side
    3,186.69x = 5,288,149.88
  5. Step 5: Solve for x
    x = 5,288,149.88/3,186.69
  6. Step 6: Final answer
    x = 1,659.45

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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.