Home / 4,085.70-6,129.66-1,744.56

Finding the Fourth Proportional to 4,085.70, 6,129.66 and 1,744.56

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Solution

The fourth proportional to 4,085.70, 6,129.66 and 1,744.56 is: 2,617.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085.70 : 6,129.66 = 1,744.56 : x
  2. Step 2: Convert to fraction form
    4,085.70/6,129.66 = 1,744.56/x
  3. Step 3: Cross multiply
    4,085.70x = 6,129.66 × 1,744.56
  4. Step 4: Simplify right side
    4,085.70x = 10,693,559.65
  5. Step 5: Solve for x
    x = 10,693,559.65/4,085.70
  6. Step 6: Final answer
    x = 2,617.31

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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.