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Finding the Fourth Proportional to 1,963.32, 2,945.30 and 595

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Solution

The fourth proportional to 1,963.32, 2,945.30 and 595 is: 892.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,963.32 : 2,945.30 = 595 : x
  2. Step 2: Convert to fraction form
    1,963.32/2,945.30 = 595/x
  3. Step 3: Cross multiply
    1,963.32x = 2,945.30 × 595
  4. Step 4: Simplify right side
    1,963.32x = 1,752,453.50
  5. Step 5: Solve for x
    x = 1,752,453.50/1,963.32
  6. Step 6: Final answer
    x = 892.60

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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.