Home / 2,942.06-4,412.19-1,186.50

Finding the Fourth Proportional to 2,942.06, 4,412.19 and 1,186.50

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Solution

The fourth proportional to 2,942.06, 4,412.19 and 1,186.50 is: 1,779.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.06 : 4,412.19 = 1,186.50 : x
  2. Step 2: Convert to fraction form
    2,942.06/4,412.19 = 1,186.50/x
  3. Step 3: Cross multiply
    2,942.06x = 4,412.19 × 1,186.50
  4. Step 4: Simplify right side
    2,942.06x = 5,235,063.44
  5. Step 5: Solve for x
    x = 5,235,063.44/2,942.06
  6. Step 6: Final answer
    x = 1,779.39

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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.