Home / 3,022.72-4,529.20-1,725.12

Finding the Fourth Proportional to 3,022.72, 4,529.20 and 1,725.12

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Solution

The fourth proportional to 3,022.72, 4,529.20 and 1,725.12 is: 2,584.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022.72 : 4,529.20 = 1,725.12 : x
  2. Step 2: Convert to fraction form
    3,022.72/4,529.20 = 1,725.12/x
  3. Step 3: Cross multiply
    3,022.72x = 4,529.20 × 1,725.12
  4. Step 4: Simplify right side
    3,022.72x = 7,813,413.50
  5. Step 5: Solve for x
    x = 7,813,413.50/3,022.72
  6. Step 6: Final answer
    x = 2,584.89

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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.