Home / 2,806.26-4,205.96-1,401.32

Finding the Fourth Proportional to 2,806.26, 4,205.96 and 1,401.32

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Solution

The fourth proportional to 2,806.26, 4,205.96 and 1,401.32 is: 2,100.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,806.26 : 4,205.96 = 1,401.32 : x
  2. Step 2: Convert to fraction form
    2,806.26/4,205.96 = 1,401.32/x
  3. Step 3: Cross multiply
    2,806.26x = 4,205.96 × 1,401.32
  4. Step 4: Simplify right side
    2,806.26x = 5,893,895.87
  5. Step 5: Solve for x
    x = 5,893,895.87/2,806.26
  6. Step 6: Final answer
    x = 2,100.27

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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.