Home / 3,611.44-5,418.98-1,663.26

Finding the Fourth Proportional to 3,611.44, 5,418.98 and 1,663.26

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Solution

The fourth proportional to 3,611.44, 5,418.98 and 1,663.26 is: 2,495.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.44 : 5,418.98 = 1,663.26 : x
  2. Step 2: Convert to fraction form
    3,611.44/5,418.98 = 1,663.26/x
  3. Step 3: Cross multiply
    3,611.44x = 5,418.98 × 1,663.26
  4. Step 4: Simplify right side
    3,611.44x = 9,013,172.67
  5. Step 5: Solve for x
    x = 9,013,172.67/3,611.44
  6. Step 6: Final answer
    x = 2,495.73

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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.