Home / 3,924.18-5,415.46-2,245.66

Finding the Fourth Proportional to 3,924.18, 5,415.46 and 2,245.66

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Solution

The fourth proportional to 3,924.18, 5,415.46 and 2,245.66 is: 3,099.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,924.18 : 5,415.46 = 2,245.66 : x
  2. Step 2: Convert to fraction form
    3,924.18/5,415.46 = 2,245.66/x
  3. Step 3: Cross multiply
    3,924.18x = 5,415.46 × 2,245.66
  4. Step 4: Simplify right side
    3,924.18x = 12,161,262.75
  5. Step 5: Solve for x
    x = 12,161,262.75/3,924.18
  6. Step 6: Final answer
    x = 3,099.06

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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.