Home / 2,611.14-3,603.23-1,431.98

Finding the Fourth Proportional to 2,611.14, 3,603.23 and 1,431.98

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Solution

The fourth proportional to 2,611.14, 3,603.23 and 1,431.98 is: 1,976.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,611.14 : 3,603.23 = 1,431.98 : x
  2. Step 2: Convert to fraction form
    2,611.14/3,603.23 = 1,431.98/x
  3. Step 3: Cross multiply
    2,611.14x = 3,603.23 × 1,431.98
  4. Step 4: Simplify right side
    2,611.14x = 5,159,755.06
  5. Step 5: Solve for x
    x = 5,159,755.06/2,611.14
  6. Step 6: Final answer
    x = 1,976.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.