Home / 3,185.85-4,779.78-2,023.11

Finding the Fourth Proportional to 3,185.85, 4,779.78 and 2,023.11

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Solution

The fourth proportional to 3,185.85, 4,779.78 and 2,023.11 is: 3,035.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.85 : 4,779.78 = 2,023.11 : x
  2. Step 2: Convert to fraction form
    3,185.85/4,779.78 = 2,023.11/x
  3. Step 3: Cross multiply
    3,185.85x = 4,779.78 × 2,023.11
  4. Step 4: Simplify right side
    3,185.85x = 9,670,020.72
  5. Step 5: Solve for x
    x = 9,670,020.72/3,185.85
  6. Step 6: Final answer
    x = 3,035.30

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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.