Home / 2,679.34-4,018.46-2,245.18

Finding the Fourth Proportional to 2,679.34, 4,018.46 and 2,245.18

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Solution

The fourth proportional to 2,679.34, 4,018.46 and 2,245.18 is: 3,367.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679.34 : 4,018.46 = 2,245.18 : x
  2. Step 2: Convert to fraction form
    2,679.34/4,018.46 = 2,245.18/x
  3. Step 3: Cross multiply
    2,679.34x = 4,018.46 × 2,245.18
  4. Step 4: Simplify right side
    2,679.34x = 9,022,166.02
  5. Step 5: Solve for x
    x = 9,022,166.02/2,679.34
  6. Step 6: Final answer
    x = 3,367.31

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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.