Home / 2,069.28-2,855.26-1,184.90

Finding the Fourth Proportional to 2,069.28, 2,855.26 and 1,184.90

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Solution

The fourth proportional to 2,069.28, 2,855.26 and 1,184.90 is: 1,634.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,069.28 : 2,855.26 = 1,184.90 : x
  2. Step 2: Convert to fraction form
    2,069.28/2,855.26 = 1,184.90/x
  3. Step 3: Cross multiply
    2,069.28x = 2,855.26 × 1,184.90
  4. Step 4: Simplify right side
    2,069.28x = 3,383,197.57
  5. Step 5: Solve for x
    x = 3,383,197.57/2,069.28
  6. Step 6: Final answer
    x = 1,634.96

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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.