Home / 3,393.06-4,680-2,763.60

Finding the Fourth Proportional to 3,393.06, 4,680 and 2,763.60

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Solution

The fourth proportional to 3,393.06, 4,680 and 2,763.60 is: 3,811.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.06 : 4,680 = 2,763.60 : x
  2. Step 2: Convert to fraction form
    3,393.06/4,680 = 2,763.60/x
  3. Step 3: Cross multiply
    3,393.06x = 4,680 × 2,763.60
  4. Step 4: Simplify right side
    3,393.06x = 12,933,648
  5. Step 5: Solve for x
    x = 12,933,648/3,393.06
  6. Step 6: Final answer
    x = 3,811.79

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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.