Home / 1,223.29-1,834.94-1,202.64

Finding the Fourth Proportional to 1,223.29, 1,834.94 and 1,202.64

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Solution

The fourth proportional to 1,223.29, 1,834.94 and 1,202.64 is: 1,803.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223.29 : 1,834.94 = 1,202.64 : x
  2. Step 2: Convert to fraction form
    1,223.29/1,834.94 = 1,202.64/x
  3. Step 3: Cross multiply
    1,223.29x = 1,834.94 × 1,202.64
  4. Step 4: Simplify right side
    1,223.29x = 2,206,772.24
  5. Step 5: Solve for x
    x = 2,206,772.24/1,223.29
  6. Step 6: Final answer
    x = 1,803.96

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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.