Home / 1,149.06-1,723.92-455.83

Finding the Fourth Proportional to 1,149.06, 1,723.92 and 455.83

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Solution

The fourth proportional to 1,149.06, 1,723.92 and 455.83 is: 683.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149.06 : 1,723.92 = 455.83 : x
  2. Step 2: Convert to fraction form
    1,149.06/1,723.92 = 455.83/x
  3. Step 3: Cross multiply
    1,149.06x = 1,723.92 × 455.83
  4. Step 4: Simplify right side
    1,149.06x = 785,814.45
  5. Step 5: Solve for x
    x = 785,814.45/1,149.06
  6. Step 6: Final answer
    x = 683.88

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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.