Home / 1,086.00-1,629.01-264.27

Finding the Fourth Proportional to 1,086.00, 1,629.01 and 264.27

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Solution

The fourth proportional to 1,086.00, 1,629.01 and 264.27 is: 396.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086.00 : 1,629.01 = 264.27 : x
  2. Step 2: Convert to fraction form
    1,086.00/1,629.01 = 264.27/x
  3. Step 3: Cross multiply
    1,086.00x = 1,629.01 × 264.27
  4. Step 4: Simplify right side
    1,086.00x = 430,503.43
  5. Step 5: Solve for x
    x = 430,503.43/1,086.00
  6. Step 6: Final answer
    x = 396.41

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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.