Home / 3,923.94-5,415.21-2,352

Finding the Fourth Proportional to 3,923.94, 5,415.21 and 2,352

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Solution

The fourth proportional to 3,923.94, 5,415.21 and 2,352 is: 3,245.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,923.94 : 5,415.21 = 2,352 : x
  2. Step 2: Convert to fraction form
    3,923.94/5,415.21 = 2,352/x
  3. Step 3: Cross multiply
    3,923.94x = 5,415.21 × 2,352
  4. Step 4: Simplify right side
    3,923.94x = 12,736,573.92
  5. Step 5: Solve for x
    x = 12,736,573.92/3,923.94
  6. Step 6: Final answer
    x = 3,245.86

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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.