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Finding the Fourth Proportional to 2,361.56, 3,542.36 and 630.19

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Solution

The fourth proportional to 2,361.56, 3,542.36 and 630.19 is: 945.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,361.56 : 3,542.36 = 630.19 : x
  2. Step 2: Convert to fraction form
    2,361.56/3,542.36 = 630.19/x
  3. Step 3: Cross multiply
    2,361.56x = 3,542.36 × 630.19
  4. Step 4: Simplify right side
    2,361.56x = 2,232,347.84
  5. Step 5: Solve for x
    x = 2,232,347.84/2,361.56
  6. Step 6: Final answer
    x = 945.28

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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.