Home / 2,549.66-3,821.12-1,379.96

Finding the Fourth Proportional to 2,549.66, 3,821.12 and 1,379.96

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Solution

The fourth proportional to 2,549.66, 3,821.12 and 1,379.96 is: 2,068.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,549.66 : 3,821.12 = 1,379.96 : x
  2. Step 2: Convert to fraction form
    2,549.66/3,821.12 = 1,379.96/x
  3. Step 3: Cross multiply
    2,549.66x = 3,821.12 × 1,379.96
  4. Step 4: Simplify right side
    2,549.66x = 5,272,992.76
  5. Step 5: Solve for x
    x = 5,272,992.76/2,549.66
  6. Step 6: Final answer
    x = 2,068.12

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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.