Home / 2,611.25-3,604.34-1,679.75

Finding the Fourth Proportional to 2,611.25, 3,604.34 and 1,679.75

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Solution

The fourth proportional to 2,611.25, 3,604.34 and 1,679.75 is: 2,318.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,611.25 : 3,604.34 = 1,679.75 : x
  2. Step 2: Convert to fraction form
    2,611.25/3,604.34 = 1,679.75/x
  3. Step 3: Cross multiply
    2,611.25x = 3,604.34 × 1,679.75
  4. Step 4: Simplify right side
    2,611.25x = 6,054,381.72
  5. Step 5: Solve for x
    x = 6,054,381.72/2,611.25
  6. Step 6: Final answer
    x = 2,318.58

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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.