Home / 2,719.20-4,069.74-2,066.28

Finding the Fourth Proportional to 2,719.20, 4,069.74 and 2,066.28

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Solution

The fourth proportional to 2,719.20, 4,069.74 and 2,066.28 is: 3,092.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719.20 : 4,069.74 = 2,066.28 : x
  2. Step 2: Convert to fraction form
    2,719.20/4,069.74 = 2,066.28/x
  3. Step 3: Cross multiply
    2,719.20x = 4,069.74 × 2,066.28
  4. Step 4: Simplify right side
    2,719.20x = 8,409,222.37
  5. Step 5: Solve for x
    x = 8,409,222.37/2,719.20
  6. Step 6: Final answer
    x = 3,092.54

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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.