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Finding the Fourth Proportional to 2,635.58, 3,954.06 and 880.88

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Solution

The fourth proportional to 2,635.58, 3,954.06 and 880.88 is: 1,321.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,635.58 : 3,954.06 = 880.88 : x
  2. Step 2: Convert to fraction form
    2,635.58/3,954.06 = 880.88/x
  3. Step 3: Cross multiply
    2,635.58x = 3,954.06 × 880.88
  4. Step 4: Simplify right side
    2,635.58x = 3,483,032.60
  5. Step 5: Solve for x
    x = 3,483,032.60/2,635.58
  6. Step 6: Final answer
    x = 1,321.55

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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.