Home / 1,628.66-2,247.07-965.27

Finding the Fourth Proportional to 1,628.66, 2,247.07 and 965.27

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Solution

The fourth proportional to 1,628.66, 2,247.07 and 965.27 is: 1,331.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628.66 : 2,247.07 = 965.27 : x
  2. Step 2: Convert to fraction form
    1,628.66/2,247.07 = 965.27/x
  3. Step 3: Cross multiply
    1,628.66x = 2,247.07 × 965.27
  4. Step 4: Simplify right side
    1,628.66x = 2,169,029.26
  5. Step 5: Solve for x
    x = 2,169,029.26/1,628.66
  6. Step 6: Final answer
    x = 1,331.79

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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.