Home / 1,191.31-1,786.24-533.07

Finding the Fourth Proportional to 1,191.31, 1,786.24 and 533.07

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Solution

The fourth proportional to 1,191.31, 1,786.24 and 533.07 is: 799.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191.31 : 1,786.24 = 533.07 : x
  2. Step 2: Convert to fraction form
    1,191.31/1,786.24 = 533.07/x
  3. Step 3: Cross multiply
    1,191.31x = 1,786.24 × 533.07
  4. Step 4: Simplify right side
    1,191.31x = 952,183.36
  5. Step 5: Solve for x
    x = 952,183.36/1,191.31
  6. Step 6: Final answer
    x = 799.27

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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.