Home / 2,635.54-3,943.58-2,168.98

Finding the Fourth Proportional to 2,635.54, 3,943.58 and 2,168.98

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Solution

The fourth proportional to 2,635.54, 3,943.58 and 2,168.98 is: 3,245.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,635.54 : 3,943.58 = 2,168.98 : x
  2. Step 2: Convert to fraction form
    2,635.54/3,943.58 = 2,168.98/x
  3. Step 3: Cross multiply
    2,635.54x = 3,943.58 × 2,168.98
  4. Step 4: Simplify right side
    2,635.54x = 8,553,546.15
  5. Step 5: Solve for x
    x = 8,553,546.15/2,635.54
  6. Step 6: Final answer
    x = 3,245.46

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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.