Home / 2,611.19-3,909.08-1,375.94

Finding the Fourth Proportional to 2,611.19, 3,909.08 and 1,375.94

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Solution

The fourth proportional to 2,611.19, 3,909.08 and 1,375.94 is: 2,059.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,611.19 : 3,909.08 = 1,375.94 : x
  2. Step 2: Convert to fraction form
    2,611.19/3,909.08 = 1,375.94/x
  3. Step 3: Cross multiply
    2,611.19x = 3,909.08 × 1,375.94
  4. Step 4: Simplify right side
    2,611.19x = 5,378,633.11
  5. Step 5: Solve for x
    x = 5,378,633.11/2,611.19
  6. Step 6: Final answer
    x = 2,059.84

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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.