Home / 4,081.74-6,121.80-2,000.85

Finding the Fourth Proportional to 4,081.74, 6,121.80 and 2,000.85

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Solution

The fourth proportional to 4,081.74, 6,121.80 and 2,000.85 is: 3,000.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.74 : 6,121.80 = 2,000.85 : x
  2. Step 2: Convert to fraction form
    4,081.74/6,121.80 = 2,000.85/x
  3. Step 3: Cross multiply
    4,081.74x = 6,121.80 × 2,000.85
  4. Step 4: Simplify right side
    4,081.74x = 12,248,803.53
  5. Step 5: Solve for x
    x = 12,248,803.53/4,081.74
  6. Step 6: Final answer
    x = 3,000.88

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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.