Home / 1,723.58-2,585.19-683.36

Finding the Fourth Proportional to 1,723.58, 2,585.19 and 683.36

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Solution

The fourth proportional to 1,723.58, 2,585.19 and 683.36 is: 1,024.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723.58 : 2,585.19 = 683.36 : x
  2. Step 2: Convert to fraction form
    1,723.58/2,585.19 = 683.36/x
  3. Step 3: Cross multiply
    1,723.58x = 2,585.19 × 683.36
  4. Step 4: Simplify right side
    1,723.58x = 1,766,615.44
  5. Step 5: Solve for x
    x = 1,766,615.44/1,723.58
  6. Step 6: Final answer
    x = 1,024.97

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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.