Home / 3,214.08-4,821.42-1,265.82

Finding the Fourth Proportional to 3,214.08, 4,821.42 and 1,265.82

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Solution

The fourth proportional to 3,214.08, 4,821.42 and 1,265.82 is: 1,898.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.08 : 4,821.42 = 1,265.82 : x
  2. Step 2: Convert to fraction form
    3,214.08/4,821.42 = 1,265.82/x
  3. Step 3: Cross multiply
    3,214.08x = 4,821.42 × 1,265.82
  4. Step 4: Simplify right side
    3,214.08x = 6,103,049.86
  5. Step 5: Solve for x
    x = 6,103,049.86/3,214.08
  6. Step 6: Final answer
    x = 1,898.85

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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.