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Finding the Fourth Proportional to 3,166.79, 4,370.83 and 1,840.41

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Solution

The fourth proportional to 3,166.79, 4,370.83 and 1,840.41 is: 2,540.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.79 : 4,370.83 = 1,840.41 : x
  2. Step 2: Convert to fraction form
    3,166.79/4,370.83 = 1,840.41/x
  3. Step 3: Cross multiply
    3,166.79x = 4,370.83 × 1,840.41
  4. Step 4: Simplify right side
    3,166.79x = 8,044,114.64
  5. Step 5: Solve for x
    x = 8,044,114.64/3,166.79
  6. Step 6: Final answer
    x = 2,540.15

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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.