Home / 1,629.05-2,443.03-533.12

Finding the Fourth Proportional to 1,629.05, 2,443.03 and 533.12

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Solution

The fourth proportional to 1,629.05, 2,443.03 and 533.12 is: 799.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.05 : 2,443.03 = 533.12 : x
  2. Step 2: Convert to fraction form
    1,629.05/2,443.03 = 533.12/x
  3. Step 3: Cross multiply
    1,629.05x = 2,443.03 × 533.12
  4. Step 4: Simplify right side
    1,629.05x = 1,302,414.61
  5. Step 5: Solve for x
    x = 1,302,414.61/1,629.05
  6. Step 6: Final answer
    x = 799.50

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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.