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Finding the Fourth Proportional to 3,642.86, 5,466.11 and 1,694.81

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Solution

The fourth proportional to 3,642.86, 5,466.11 and 1,694.81 is: 2,543.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642.86 : 5,466.11 = 1,694.81 : x
  2. Step 2: Convert to fraction form
    3,642.86/5,466.11 = 1,694.81/x
  3. Step 3: Cross multiply
    3,642.86x = 5,466.11 × 1,694.81
  4. Step 4: Simplify right side
    3,642.86x = 9,263,982.08
  5. Step 5: Solve for x
    x = 9,263,982.08/3,642.86
  6. Step 6: Final answer
    x = 2,543.06

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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.