Home / 3,288.85-4,538.94-1,962.55

Finding the Fourth Proportional to 3,288.85, 4,538.94 and 1,962.55

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Solution

The fourth proportional to 3,288.85, 4,538.94 and 1,962.55 is: 2,708.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,288.85 : 4,538.94 = 1,962.55 : x
  2. Step 2: Convert to fraction form
    3,288.85/4,538.94 = 1,962.55/x
  3. Step 3: Cross multiply
    3,288.85x = 4,538.94 × 1,962.55
  4. Step 4: Simplify right side
    3,288.85x = 8,907,896.70
  5. Step 5: Solve for x
    x = 8,907,896.70/3,288.85
  6. Step 6: Final answer
    x = 2,708.51

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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.