Home / 3,280.94-4,532.98-2,290.63

Finding the Fourth Proportional to 3,280.94, 4,532.98 and 2,290.63

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Solution

The fourth proportional to 3,280.94, 4,532.98 and 2,290.63 is: 3,164.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.94 : 4,532.98 = 2,290.63 : x
  2. Step 2: Convert to fraction form
    3,280.94/4,532.98 = 2,290.63/x
  3. Step 3: Cross multiply
    3,280.94x = 4,532.98 × 2,290.63
  4. Step 4: Simplify right side
    3,280.94x = 10,383,379.98
  5. Step 5: Solve for x
    x = 10,383,379.98/3,280.94
  6. Step 6: Final answer
    x = 3,164.76

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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.