Home / 1,629.17-2,248.09-965.93

Finding the Fourth Proportional to 1,629.17, 2,248.09 and 965.93

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Solution

The fourth proportional to 1,629.17, 2,248.09 and 965.93 is: 1,332.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.17 : 2,248.09 = 965.93 : x
  2. Step 2: Convert to fraction form
    1,629.17/2,248.09 = 965.93/x
  3. Step 3: Cross multiply
    1,629.17x = 2,248.09 × 965.93
  4. Step 4: Simplify right side
    1,629.17x = 2,171,495.97
  5. Step 5: Solve for x
    x = 2,171,495.97/1,629.17
  6. Step 6: Final answer
    x = 1,332.89

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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.