Home / 1,963.64-2,938.48-1,442.41

Finding the Fourth Proportional to 1,963.64, 2,938.48 and 1,442.41

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Solution

The fourth proportional to 1,963.64, 2,938.48 and 1,442.41 is: 2,158.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,963.64 : 2,938.48 = 1,442.41 : x
  2. Step 2: Convert to fraction form
    1,963.64/2,938.48 = 1,442.41/x
  3. Step 3: Cross multiply
    1,963.64x = 2,938.48 × 1,442.41
  4. Step 4: Simplify right side
    1,963.64x = 4,238,481.98
  5. Step 5: Solve for x
    x = 4,238,481.98/1,963.64
  6. Step 6: Final answer
    x = 2,158.48

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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.