Home / 3,779.56-5,665.42-2,736.96

Finding the Fourth Proportional to 3,779.56, 5,665.42 and 2,736.96

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Solution

The fourth proportional to 3,779.56, 5,665.42 and 2,736.96 is: 4,102.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779.56 : 5,665.42 = 2,736.96 : x
  2. Step 2: Convert to fraction form
    3,779.56/5,665.42 = 2,736.96/x
  3. Step 3: Cross multiply
    3,779.56x = 5,665.42 × 2,736.96
  4. Step 4: Simplify right side
    3,779.56x = 15,506,027.92
  5. Step 5: Solve for x
    x = 15,506,027.92/3,779.56
  6. Step 6: Final answer
    x = 4,102.60

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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.