Home / 3,740.92-5,611.44-2,651.20

Finding the Fourth Proportional to 3,740.92, 5,611.44 and 2,651.20

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Solution

The fourth proportional to 3,740.92, 5,611.44 and 2,651.20 is: 3,976.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.92 : 5,611.44 = 2,651.20 : x
  2. Step 2: Convert to fraction form
    3,740.92/5,611.44 = 2,651.20/x
  3. Step 3: Cross multiply
    3,740.92x = 5,611.44 × 2,651.20
  4. Step 4: Simplify right side
    3,740.92x = 14,877,049.73
  5. Step 5: Solve for x
    x = 14,877,049.73/3,740.92
  6. Step 6: Final answer
    x = 3,976.84

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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.