Home / 1,629.58-2,444.36-396.99

Finding the Fourth Proportional to 1,629.58, 2,444.36 and 396.99

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Solution

The fourth proportional to 1,629.58, 2,444.36 and 396.99 is: 595.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.58 : 2,444.36 = 396.99 : x
  2. Step 2: Convert to fraction form
    1,629.58/2,444.36 = 396.99/x
  3. Step 3: Cross multiply
    1,629.58x = 2,444.36 × 396.99
  4. Step 4: Simplify right side
    1,629.58x = 970,374.25
  5. Step 5: Solve for x
    x = 970,374.25/1,629.58
  6. Step 6: Final answer
    x = 595.48

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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.