Home / 1,825.26-2,738.39-655.53

Finding the Fourth Proportional to 1,825.26, 2,738.39 and 655.53

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Solution

The fourth proportional to 1,825.26, 2,738.39 and 655.53 is: 983.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825.26 : 2,738.39 = 655.53 : x
  2. Step 2: Convert to fraction form
    1,825.26/2,738.39 = 655.53/x
  3. Step 3: Cross multiply
    1,825.26x = 2,738.39 × 655.53
  4. Step 4: Simplify right side
    1,825.26x = 1,795,093.52
  5. Step 5: Solve for x
    x = 1,795,093.52/1,825.26
  6. Step 6: Final answer
    x = 983.47

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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.