Home / 1,634.37-2,447.29-1,284.65

Finding the Fourth Proportional to 1,634.37, 2,447.29 and 1,284.65

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Solution

The fourth proportional to 1,634.37, 2,447.29 and 1,284.65 is: 1,923.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634.37 : 2,447.29 = 1,284.65 : x
  2. Step 2: Convert to fraction form
    1,634.37/2,447.29 = 1,284.65/x
  3. Step 3: Cross multiply
    1,634.37x = 2,447.29 × 1,284.65
  4. Step 4: Simplify right side
    1,634.37x = 3,143,911.10
  5. Step 5: Solve for x
    x = 3,143,911.10/1,634.37
  6. Step 6: Final answer
    x = 1,923.62

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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.