Home / 2,684.18-3,704.33-2,019.85

Finding the Fourth Proportional to 2,684.18, 3,704.33 and 2,019.85

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Solution

The fourth proportional to 2,684.18, 3,704.33 and 2,019.85 is: 2,787.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,684.18 : 3,704.33 = 2,019.85 : x
  2. Step 2: Convert to fraction form
    2,684.18/3,704.33 = 2,019.85/x
  3. Step 3: Cross multiply
    2,684.18x = 3,704.33 × 2,019.85
  4. Step 4: Simplify right side
    2,684.18x = 7,482,190.95
  5. Step 5: Solve for x
    x = 7,482,190.95/2,684.18
  6. Step 6: Final answer
    x = 2,787.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.