Home / 4,121.16-6,180.84-1,522.20

Finding the Fourth Proportional to 4,121.16, 6,180.84 and 1,522.20

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Solution

The fourth proportional to 4,121.16, 6,180.84 and 1,522.20 is: 2,282.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.16 : 6,180.84 = 1,522.20 : x
  2. Step 2: Convert to fraction form
    4,121.16/6,180.84 = 1,522.20/x
  3. Step 3: Cross multiply
    4,121.16x = 6,180.84 × 1,522.20
  4. Step 4: Simplify right side
    4,121.16x = 9,408,474.65
  5. Step 5: Solve for x
    x = 9,408,474.65/4,121.16
  6. Step 6: Final answer
    x = 2,282.97

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1.5x scale

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.