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Finding the Fourth Proportional to 2,806.99, 4,206.84 and 2,763.25

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Solution

The fourth proportional to 2,806.99, 4,206.84 and 2,763.25 is: 4,141.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,806.99 : 4,206.84 = 2,763.25 : x
  2. Step 2: Convert to fraction form
    2,806.99/4,206.84 = 2,763.25/x
  3. Step 3: Cross multiply
    2,806.99x = 4,206.84 × 2,763.25
  4. Step 4: Simplify right side
    2,806.99x = 11,624,550.63
  5. Step 5: Solve for x
    x = 11,624,550.63/2,806.99
  6. Step 6: Final answer
    x = 4,141.29

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1.5x scale

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.