Home / 1,629.25-2,248.05-965.86

Finding the Fourth Proportional to 1,629.25, 2,248.05 and 965.86

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Solution

The fourth proportional to 1,629.25, 2,248.05 and 965.86 is: 1,332.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.25 : 2,248.05 = 965.86 : x
  2. Step 2: Convert to fraction form
    1,629.25/2,248.05 = 965.86/x
  3. Step 3: Cross multiply
    1,629.25x = 2,248.05 × 965.86
  4. Step 4: Simplify right side
    1,629.25x = 2,171,299.57
  5. Step 5: Solve for x
    x = 2,171,299.57/1,629.25
  6. Step 6: Final answer
    x = 1,332.70

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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.