Home / 3,788.16-5,227.84-2,855.04

Finding the Fourth Proportional to 3,788.16, 5,227.84 and 2,855.04

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Solution

The fourth proportional to 3,788.16, 5,227.84 and 2,855.04 is: 3,940.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.16 : 5,227.84 = 2,855.04 : x
  2. Step 2: Convert to fraction form
    3,788.16/5,227.84 = 2,855.04/x
  3. Step 3: Cross multiply
    3,788.16x = 5,227.84 × 2,855.04
  4. Step 4: Simplify right side
    3,788.16x = 14,925,692.31
  5. Step 5: Solve for x
    x = 14,925,692.31/3,788.16
  6. Step 6: Final answer
    x = 3,940.09

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1.5x scale

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.