Home / 2,147.43-2,963.77-1,251.47

Finding the Fourth Proportional to 2,147.43, 2,963.77 and 1,251.47

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Solution

The fourth proportional to 2,147.43, 2,963.77 and 1,251.47 is: 1,727.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147.43 : 2,963.77 = 1,251.47 : x
  2. Step 2: Convert to fraction form
    2,147.43/2,963.77 = 1,251.47/x
  3. Step 3: Cross multiply
    2,147.43x = 2,963.77 × 1,251.47
  4. Step 4: Simplify right side
    2,147.43x = 3,709,056.85
  5. Step 5: Solve for x
    x = 3,709,056.85/2,147.43
  6. Step 6: Final answer
    x = 1,727.21

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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.