Home / 3,738.44-5,611.13-1,890.86

Finding the Fourth Proportional to 3,738.44, 5,611.13 and 1,890.86

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Solution

The fourth proportional to 3,738.44, 5,611.13 and 1,890.86 is: 2,838.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,738.44 : 5,611.13 = 1,890.86 : x
  2. Step 2: Convert to fraction form
    3,738.44/5,611.13 = 1,890.86/x
  3. Step 3: Cross multiply
    3,738.44x = 5,611.13 × 1,890.86
  4. Step 4: Simplify right side
    3,738.44x = 10,609,823.76
  5. Step 5: Solve for x
    x = 10,609,823.76/3,738.44
  6. Step 6: Final answer
    x = 2,838.04

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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.