Home / 2,821.62-3,892.52-1,701.86

Finding the Fourth Proportional to 2,821.62, 3,892.52 and 1,701.86

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Solution

The fourth proportional to 2,821.62, 3,892.52 and 1,701.86 is: 2,347.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821.62 : 3,892.52 = 1,701.86 : x
  2. Step 2: Convert to fraction form
    2,821.62/3,892.52 = 1,701.86/x
  3. Step 3: Cross multiply
    2,821.62x = 3,892.52 × 1,701.86
  4. Step 4: Simplify right side
    2,821.62x = 6,624,524.09
  5. Step 5: Solve for x
    x = 6,624,524.09/2,821.62
  6. Step 6: Final answer
    x = 2,347.77

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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.