Home / 3,603.94-5,405.49-2,680.87

Finding the Fourth Proportional to 3,603.94, 5,405.49 and 2,680.87

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Solution

The fourth proportional to 3,603.94, 5,405.49 and 2,680.87 is: 4,020.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603.94 : 5,405.49 = 2,680.87 : x
  2. Step 2: Convert to fraction form
    3,603.94/5,405.49 = 2,680.87/x
  3. Step 3: Cross multiply
    3,603.94x = 5,405.49 × 2,680.87
  4. Step 4: Simplify right side
    3,603.94x = 14,491,415.98
  5. Step 5: Solve for x
    x = 14,491,415.98/3,603.94
  6. Step 6: Final answer
    x = 4,020.99

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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.