Home / 1,217.44-1,826.19-351.75

Finding the Fourth Proportional to 1,217.44, 1,826.19 and 351.75

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Solution

The fourth proportional to 1,217.44, 1,826.19 and 351.75 is: 527.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217.44 : 1,826.19 = 351.75 : x
  2. Step 2: Convert to fraction form
    1,217.44/1,826.19 = 351.75/x
  3. Step 3: Cross multiply
    1,217.44x = 1,826.19 × 351.75
  4. Step 4: Simplify right side
    1,217.44x = 642,362.33
  5. Step 5: Solve for x
    x = 642,362.33/1,217.44
  6. Step 6: Final answer
    x = 527.63

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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.