Home / 2,942.44-4,412.76-1,186.88

Finding the Fourth Proportional to 2,942.44, 4,412.76 and 1,186.88

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Solution

The fourth proportional to 2,942.44, 4,412.76 and 1,186.88 is: 1,779.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,942.44 : 4,412.76 = 1,186.88 : x
  2. Step 2: Convert to fraction form
    2,942.44/4,412.76 = 1,186.88/x
  3. Step 3: Cross multiply
    2,942.44x = 4,412.76 × 1,186.88
  4. Step 4: Simplify right side
    2,942.44x = 5,237,416.59
  5. Step 5: Solve for x
    x = 5,237,416.59/2,942.44
  6. Step 6: Final answer
    x = 1,779.96

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1.5x scale

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.