Home / 3,974.05-5,962.29-2,415.21

Finding the Fourth Proportional to 3,974.05, 5,962.29 and 2,415.21

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Solution

The fourth proportional to 3,974.05, 5,962.29 and 2,415.21 is: 3,623.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974.05 : 5,962.29 = 2,415.21 : x
  2. Step 2: Convert to fraction form
    3,974.05/5,962.29 = 2,415.21/x
  3. Step 3: Cross multiply
    3,974.05x = 5,962.29 × 2,415.21
  4. Step 4: Simplify right side
    3,974.05x = 14,400,182.43
  5. Step 5: Solve for x
    x = 14,400,182.43/3,974.05
  6. Step 6: Final answer
    x = 3,623.55

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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.