Home / 1,684.44-2,324.52-1,125.72

Finding the Fourth Proportional to 1,684.44, 2,324.52 and 1,125.72

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Solution

The fourth proportional to 1,684.44, 2,324.52 and 1,125.72 is: 1,553.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684.44 : 2,324.52 = 1,125.72 : x
  2. Step 2: Convert to fraction form
    1,684.44/2,324.52 = 1,125.72/x
  3. Step 3: Cross multiply
    1,684.44x = 2,324.52 × 1,125.72
  4. Step 4: Simplify right side
    1,684.44x = 2,616,758.65
  5. Step 5: Solve for x
    x = 2,616,758.65/1,684.44
  6. Step 6: Final answer
    x = 1,553.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.