Home / 2,611.44-3,910.14-1,376.28

Finding the Fourth Proportional to 2,611.44, 3,910.14 and 1,376.28

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Solution

The fourth proportional to 2,611.44, 3,910.14 and 1,376.28 is: 2,060.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,611.44 : 3,910.14 = 1,376.28 : x
  2. Step 2: Convert to fraction form
    2,611.44/3,910.14 = 1,376.28/x
  3. Step 3: Cross multiply
    2,611.44x = 3,910.14 × 1,376.28
  4. Step 4: Simplify right side
    2,611.44x = 5,381,447.48
  5. Step 5: Solve for x
    x = 5,381,447.48/2,611.44
  6. Step 6: Final answer
    x = 2,060.72

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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.