Home / 3,921.21-5,882.90-1,579.77

Finding the Fourth Proportional to 3,921.21, 5,882.90 and 1,579.77

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Solution

The fourth proportional to 3,921.21, 5,882.90 and 1,579.77 is: 2,370.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921.21 : 5,882.90 = 1,579.77 : x
  2. Step 2: Convert to fraction form
    3,921.21/5,882.90 = 1,579.77/x
  3. Step 3: Cross multiply
    3,921.21x = 5,882.90 × 1,579.77
  4. Step 4: Simplify right side
    3,921.21x = 9,293,621.03
  5. Step 5: Solve for x
    x = 9,293,621.03/3,921.21
  6. Step 6: Final answer
    x = 2,370.09

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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.