Home / 3,932.80-5,424.41-2,671.65

Finding the Fourth Proportional to 3,932.80, 5,424.41 and 2,671.65

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Solution

The fourth proportional to 3,932.80, 5,424.41 and 2,671.65 is: 3,684.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,932.80 : 5,424.41 = 2,671.65 : x
  2. Step 2: Convert to fraction form
    3,932.80/5,424.41 = 2,671.65/x
  3. Step 3: Cross multiply
    3,932.80x = 5,424.41 × 2,671.65
  4. Step 4: Simplify right side
    3,932.80x = 14,492,131.66
  5. Step 5: Solve for x
    x = 14,492,131.66/3,932.80
  6. Step 6: Final answer
    x = 3,684.94

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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.