Home / 3,779.45-5,668.53-2,680.47

Finding the Fourth Proportional to 3,779.45, 5,668.53 and 2,680.47

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Solution

The fourth proportional to 3,779.45, 5,668.53 and 2,680.47 is: 4,020.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779.45 : 5,668.53 = 2,680.47 : x
  2. Step 2: Convert to fraction form
    3,779.45/5,668.53 = 2,680.47/x
  3. Step 3: Cross multiply
    3,779.45x = 5,668.53 × 2,680.47
  4. Step 4: Simplify right side
    3,779.45x = 15,194,324.61
  5. Step 5: Solve for x
    x = 15,194,324.61/3,779.45
  6. Step 6: Final answer
    x = 4,020.25

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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.