Home / 1,629.36-2,443.82-533.63

Finding the Fourth Proportional to 1,629.36, 2,443.82 and 533.63

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Solution

The fourth proportional to 1,629.36, 2,443.82 and 533.63 is: 800.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.36 : 2,443.82 = 533.63 : x
  2. Step 2: Convert to fraction form
    1,629.36/2,443.82 = 533.63/x
  3. Step 3: Cross multiply
    1,629.36x = 2,443.82 × 533.63
  4. Step 4: Simplify right side
    1,629.36x = 1,304,099.11
  5. Step 5: Solve for x
    x = 1,304,099.11/1,629.36
  6. Step 6: Final answer
    x = 800.38

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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.