Home / 3,276.70-4,912.08-1,327.60

Finding the Fourth Proportional to 3,276.70, 4,912.08 and 1,327.60

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Solution

The fourth proportional to 3,276.70, 4,912.08 and 1,327.60 is: 1,990.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.70 : 4,912.08 = 1,327.60 : x
  2. Step 2: Convert to fraction form
    3,276.70/4,912.08 = 1,327.60/x
  3. Step 3: Cross multiply
    3,276.70x = 4,912.08 × 1,327.60
  4. Step 4: Simplify right side
    3,276.70x = 6,521,277.41
  5. Step 5: Solve for x
    x = 6,521,277.41/3,276.70
  6. Step 6: Final answer
    x = 1,990.20

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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.