Home / 1,963.51-2,945.68-576.73

Finding the Fourth Proportional to 1,963.51, 2,945.68 and 576.73

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Solution

The fourth proportional to 1,963.51, 2,945.68 and 576.73 is: 865.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,963.51 : 2,945.68 = 576.73 : x
  2. Step 2: Convert to fraction form
    1,963.51/2,945.68 = 576.73/x
  3. Step 3: Cross multiply
    1,963.51x = 2,945.68 × 576.73
  4. Step 4: Simplify right side
    1,963.51x = 1,698,876.61
  5. Step 5: Solve for x
    x = 1,698,876.61/1,963.51
  6. Step 6: Final answer
    x = 865.22

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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.