Home / 2,963.63-4,442.67-1,115.96

Finding the Fourth Proportional to 2,963.63, 4,442.67 and 1,115.96

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Solution

The fourth proportional to 2,963.63, 4,442.67 and 1,115.96 is: 1,672.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,963.63 : 4,442.67 = 1,115.96 : x
  2. Step 2: Convert to fraction form
    2,963.63/4,442.67 = 1,115.96/x
  3. Step 3: Cross multiply
    2,963.63x = 4,442.67 × 1,115.96
  4. Step 4: Simplify right side
    2,963.63x = 4,957,819.80
  5. Step 5: Solve for x
    x = 4,957,819.80/2,963.63
  6. Step 6: Final answer
    x = 1,672.89

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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.