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Finding the Fourth Proportional to 2,793.41, 3,854.90 and 1,551.41

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Solution

The fourth proportional to 2,793.41, 3,854.90 and 1,551.41 is: 2,140.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,793.41 : 3,854.90 = 1,551.41 : x
  2. Step 2: Convert to fraction form
    2,793.41/3,854.90 = 1,551.41/x
  3. Step 3: Cross multiply
    2,793.41x = 3,854.90 × 1,551.41
  4. Step 4: Simplify right side
    2,793.41x = 5,980,530.41
  5. Step 5: Solve for x
    x = 5,980,530.41/2,793.41
  6. Step 6: Final answer
    x = 2,140.94

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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.