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Finding the Fourth Proportional to 2,361.94, 3,542.92 and 630.56

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Solution

The fourth proportional to 2,361.94, 3,542.92 and 630.56 is: 945.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,361.94 : 3,542.92 = 630.56 : x
  2. Step 2: Convert to fraction form
    2,361.94/3,542.92 = 630.56/x
  3. Step 3: Cross multiply
    2,361.94x = 3,542.92 × 630.56
  4. Step 4: Simplify right side
    2,361.94x = 2,234,030.92
  5. Step 5: Solve for x
    x = 2,234,030.92/2,361.94
  6. Step 6: Final answer
    x = 945.85

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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.