Home / 1,629.00-2,443.49-396.42

Finding the Fourth Proportional to 1,629.00, 2,443.49 and 396.42

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Solution

The fourth proportional to 1,629.00, 2,443.49 and 396.42 is: 594.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.00 : 2,443.49 = 396.42 : x
  2. Step 2: Convert to fraction form
    1,629.00/2,443.49 = 396.42/x
  3. Step 3: Cross multiply
    1,629.00x = 2,443.49 × 396.42
  4. Step 4: Simplify right side
    1,629.00x = 968,637.16
  5. Step 5: Solve for x
    x = 968,637.16/1,629.00
  6. Step 6: Final answer
    x = 594.62

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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.