Home / 2,435.26-3,653.10-680.28

Finding the Fourth Proportional to 2,435.26, 3,653.10 and 680.28

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Solution

The fourth proportional to 2,435.26, 3,653.10 and 680.28 is: 1,020.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,435.26 : 3,653.10 = 680.28 : x
  2. Step 2: Convert to fraction form
    2,435.26/3,653.10 = 680.28/x
  3. Step 3: Cross multiply
    2,435.26x = 3,653.10 × 680.28
  4. Step 4: Simplify right side
    2,435.26x = 2,485,119.53
  5. Step 5: Solve for x
    x = 2,485,119.53/2,435.26
  6. Step 6: Final answer
    x = 1,020.47

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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.