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Finding the Fourth Proportional to 3,304.44, 4,560.84 and 1,978.20

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Solution

The fourth proportional to 3,304.44, 4,560.84 and 1,978.20 is: 2,730.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,304.44 : 4,560.84 = 1,978.20 : x
  2. Step 2: Convert to fraction form
    3,304.44/4,560.84 = 1,978.20/x
  3. Step 3: Cross multiply
    3,304.44x = 4,560.84 × 1,978.20
  4. Step 4: Simplify right side
    3,304.44x = 9,022,253.69
  5. Step 5: Solve for x
    x = 9,022,253.69/3,304.44
  6. Step 6: Final answer
    x = 2,730.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.