Home / 1,317.30-1,813.85-1,150.54

Finding the Fourth Proportional to 1,317.30, 1,813.85 and 1,150.54

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Solution

The fourth proportional to 1,317.30, 1,813.85 and 1,150.54 is: 1,584.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317.30 : 1,813.85 = 1,150.54 : x
  2. Step 2: Convert to fraction form
    1,317.30/1,813.85 = 1,150.54/x
  3. Step 3: Cross multiply
    1,317.30x = 1,813.85 × 1,150.54
  4. Step 4: Simplify right side
    1,317.30x = 2,086,906.98
  5. Step 5: Solve for x
    x = 2,086,906.98/1,317.30
  6. Step 6: Final answer
    x = 1,584.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.