Home / 1,222.94-1,834.22-453.26

Finding the Fourth Proportional to 1,222.94, 1,834.22 and 453.26

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Solution

The fourth proportional to 1,222.94, 1,834.22 and 453.26 is: 679.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222.94 : 1,834.22 = 453.26 : x
  2. Step 2: Convert to fraction form
    1,222.94/1,834.22 = 453.26/x
  3. Step 3: Cross multiply
    1,222.94x = 1,834.22 × 453.26
  4. Step 4: Simplify right side
    1,222.94x = 831,378.56
  5. Step 5: Solve for x
    x = 831,378.56/1,222.94
  6. Step 6: Final answer
    x = 679.82

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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.