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Finding the Fourth Proportional to 1,963.62, 2,689.43 and 1,850.02

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Solution

The fourth proportional to 1,963.62, 2,689.43 and 1,850.02 is: 2,533.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,963.62 : 2,689.43 = 1,850.02 : x
  2. Step 2: Convert to fraction form
    1,963.62/2,689.43 = 1,850.02/x
  3. Step 3: Cross multiply
    1,963.62x = 2,689.43 × 1,850.02
  4. Step 4: Simplify right side
    1,963.62x = 4,975,483.31
  5. Step 5: Solve for x
    x = 4,975,483.31/1,963.62
  6. Step 6: Final answer
    x = 2,533.83

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.