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Finding the Fourth Proportional to 3,614.64, 5,418.64 and 1,304.52

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Solution

The fourth proportional to 3,614.64, 5,418.64 and 1,304.52 is: 1,955.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.64 : 5,418.64 = 1,304.52 : x
  2. Step 2: Convert to fraction form
    3,614.64/5,418.64 = 1,304.52/x
  3. Step 3: Cross multiply
    3,614.64x = 5,418.64 × 1,304.52
  4. Step 4: Simplify right side
    3,614.64x = 7,068,724.25
  5. Step 5: Solve for x
    x = 7,068,724.25/3,614.64
  6. Step 6: Final answer
    x = 1,955.58

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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.