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Finding the Fourth Proportional to 2,995.52, 4,494.90 and 1,956.56

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Solution

The fourth proportional to 2,995.52, 4,494.90 and 1,956.56 is: 2,935.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,995.52 : 4,494.90 = 1,956.56 : x
  2. Step 2: Convert to fraction form
    2,995.52/4,494.90 = 1,956.56/x
  3. Step 3: Cross multiply
    2,995.52x = 4,494.90 × 1,956.56
  4. Step 4: Simplify right side
    2,995.52x = 8,794,541.54
  5. Step 5: Solve for x
    x = 8,794,541.54/2,995.52
  6. Step 6: Final answer
    x = 2,935.90

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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.