Home / 3,276.88-4,518.96-2,529.60

Finding the Fourth Proportional to 3,276.88, 4,518.96 and 2,529.60

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Solution

The fourth proportional to 3,276.88, 4,518.96 and 2,529.60 is: 3,488.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.88 : 4,518.96 = 2,529.60 : x
  2. Step 2: Convert to fraction form
    3,276.88/4,518.96 = 2,529.60/x
  3. Step 3: Cross multiply
    3,276.88x = 4,518.96 × 2,529.60
  4. Step 4: Simplify right side
    3,276.88x = 11,431,161.22
  5. Step 5: Solve for x
    x = 11,431,161.22/3,276.88
  6. Step 6: Final answer
    x = 3,488.43

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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.