Home / 1,634.09-2,253.50-1,260.47

Finding the Fourth Proportional to 1,634.09, 2,253.50 and 1,260.47

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Solution

The fourth proportional to 1,634.09, 2,253.50 and 1,260.47 is: 1,738.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634.09 : 2,253.50 = 1,260.47 : x
  2. Step 2: Convert to fraction form
    1,634.09/2,253.50 = 1,260.47/x
  3. Step 3: Cross multiply
    1,634.09x = 2,253.50 × 1,260.47
  4. Step 4: Simplify right side
    1,634.09x = 2,840,469.15
  5. Step 5: Solve for x
    x = 2,840,469.15/1,634.09
  6. Step 6: Final answer
    x = 1,738.26

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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.