Home / 1,231.26-1,700.37-1,062.85

Finding the Fourth Proportional to 1,231.26, 1,700.37 and 1,062.85

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Solution

The fourth proportional to 1,231.26, 1,700.37 and 1,062.85 is: 1,467.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231.26 : 1,700.37 = 1,062.85 : x
  2. Step 2: Convert to fraction form
    1,231.26/1,700.37 = 1,062.85/x
  3. Step 3: Cross multiply
    1,231.26x = 1,700.37 × 1,062.85
  4. Step 4: Simplify right side
    1,231.26x = 1,807,224.44
  5. Step 5: Solve for x
    x = 1,807,224.44/1,231.26
  6. Step 6: Final answer
    x = 1,467.78

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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.