Home / 3,378.54-5,064.58-1,819.60

Finding the Fourth Proportional to 3,378.54, 5,064.58 and 1,819.60

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Solution

The fourth proportional to 3,378.54, 5,064.58 and 1,819.60 is: 2,727.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.54 : 5,064.58 = 1,819.60 : x
  2. Step 2: Convert to fraction form
    3,378.54/5,064.58 = 1,819.60/x
  3. Step 3: Cross multiply
    3,378.54x = 5,064.58 × 1,819.60
  4. Step 4: Simplify right side
    3,378.54x = 9,215,489.15
  5. Step 5: Solve for x
    x = 9,215,489.15/3,378.54
  6. Step 6: Final answer
    x = 2,727.65

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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.