Home / 3,474.82-5,214.26-1,285.05

Finding the Fourth Proportional to 3,474.82, 5,214.26 and 1,285.05

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Solution

The fourth proportional to 3,474.82, 5,214.26 and 1,285.05 is: 1,928.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,474.82 : 5,214.26 = 1,285.05 : x
  2. Step 2: Convert to fraction form
    3,474.82/5,214.26 = 1,285.05/x
  3. Step 3: Cross multiply
    3,474.82x = 5,214.26 × 1,285.05
  4. Step 4: Simplify right side
    3,474.82x = 6,700,584.81
  5. Step 5: Solve for x
    x = 6,700,584.81/3,474.82
  6. Step 6: Final answer
    x = 1,928.33

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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.