Home / 3,779.14-5,660.43-2,680.15

Finding the Fourth Proportional to 3,779.14, 5,660.43 and 2,680.15

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Solution

The fourth proportional to 3,779.14, 5,660.43 and 2,680.15 is: 4,014.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779.14 : 5,660.43 = 2,680.15 : x
  2. Step 2: Convert to fraction form
    3,779.14/5,660.43 = 2,680.15/x
  3. Step 3: Cross multiply
    3,779.14x = 5,660.43 × 2,680.15
  4. Step 4: Simplify right side
    3,779.14x = 15,170,801.46
  5. Step 5: Solve for x
    x = 15,170,801.46/3,779.14
  6. Step 6: Final answer
    x = 4,014.35

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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.