Home / 2,240.26-3,360.76-680.03

Finding the Fourth Proportional to 2,240.26, 3,360.76 and 680.03

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Solution

The fourth proportional to 2,240.26, 3,360.76 and 680.03 is: 1,020.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.26 : 3,360.76 = 680.03 : x
  2. Step 2: Convert to fraction form
    2,240.26/3,360.76 = 680.03/x
  3. Step 3: Cross multiply
    2,240.26x = 3,360.76 × 680.03
  4. Step 4: Simplify right side
    2,240.26x = 2,285,411.72
  5. Step 5: Solve for x
    x = 2,285,411.72/2,240.26
  6. Step 6: Final answer
    x = 1,020.16

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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.