Home / 3,779.97-5,667.31-1,586.89

Finding the Fourth Proportional to 3,779.97, 5,667.31 and 1,586.89

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Solution

The fourth proportional to 3,779.97, 5,667.31 and 1,586.89 is: 2,379.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779.97 : 5,667.31 = 1,586.89 : x
  2. Step 2: Convert to fraction form
    3,779.97/5,667.31 = 1,586.89/x
  3. Step 3: Cross multiply
    3,779.97x = 5,667.31 × 1,586.89
  4. Step 4: Simplify right side
    3,779.97x = 8,993,397.57
  5. Step 5: Solve for x
    x = 8,993,397.57/3,779.97
  6. Step 6: Final answer
    x = 2,379.22

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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.