Home / 1,217.89-1,825.23-1,063.43

Finding the Fourth Proportional to 1,217.89, 1,825.23 and 1,063.43

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Solution

The fourth proportional to 1,217.89, 1,825.23 and 1,063.43 is: 1,593.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217.89 : 1,825.23 = 1,063.43 : x
  2. Step 2: Convert to fraction form
    1,217.89/1,825.23 = 1,063.43/x
  3. Step 3: Cross multiply
    1,217.89x = 1,825.23 × 1,063.43
  4. Step 4: Simplify right side
    1,217.89x = 1,941,006.05
  5. Step 5: Solve for x
    x = 1,941,006.05/1,217.89
  6. Step 6: Final answer
    x = 1,593.75

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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.