Home / 3,351.72-5,029.14-1,621.56

Finding the Fourth Proportional to 3,351.72, 5,029.14 and 1,621.56

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Solution

The fourth proportional to 3,351.72, 5,029.14 and 1,621.56 is: 2,433.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,351.72 : 5,029.14 = 1,621.56 : x
  2. Step 2: Convert to fraction form
    3,351.72/5,029.14 = 1,621.56/x
  3. Step 3: Cross multiply
    3,351.72x = 5,029.14 × 1,621.56
  4. Step 4: Simplify right side
    3,351.72x = 8,155,052.26
  5. Step 5: Solve for x
    x = 8,155,052.26/3,351.72
  6. Step 6: Final answer
    x = 2,433.09

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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.