Home / 2,379.96-3,282.88-1,385.04

Finding the Fourth Proportional to 2,379.96, 3,282.88 and 1,385.04

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Solution

The fourth proportional to 2,379.96, 3,282.88 and 1,385.04 is: 1,910.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379.96 : 3,282.88 = 1,385.04 : x
  2. Step 2: Convert to fraction form
    2,379.96/3,282.88 = 1,385.04/x
  3. Step 3: Cross multiply
    2,379.96x = 3,282.88 × 1,385.04
  4. Step 4: Simplify right side
    2,379.96x = 4,546,920.12
  5. Step 5: Solve for x
    x = 4,546,920.12/2,379.96
  6. Step 6: Final answer
    x = 1,910.50

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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.