Home / 1,963.79-2,945.33-577.10

Finding the Fourth Proportional to 1,963.79, 2,945.33 and 577.10

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Solution

The fourth proportional to 1,963.79, 2,945.33 and 577.10 is: 865.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,963.79 : 2,945.33 = 577.10 : x
  2. Step 2: Convert to fraction form
    1,963.79/2,945.33 = 577.10/x
  3. Step 3: Cross multiply
    1,963.79x = 2,945.33 × 577.10
  4. Step 4: Simplify right side
    1,963.79x = 1,699,732.33
  5. Step 5: Solve for x
    x = 1,699,732.33/1,963.79
  6. Step 6: Final answer
    x = 865.54

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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.