Home / 2,081.84-2,874.18-1,296.96

Finding the Fourth Proportional to 2,081.84, 2,874.18 and 1,296.96

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Solution

The fourth proportional to 2,081.84, 2,874.18 and 1,296.96 is: 1,790.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,081.84 : 2,874.18 = 1,296.96 : x
  2. Step 2: Convert to fraction form
    2,081.84/2,874.18 = 1,296.96/x
  3. Step 3: Cross multiply
    2,081.84x = 2,874.18 × 1,296.96
  4. Step 4: Simplify right side
    2,081.84x = 3,727,696.49
  5. Step 5: Solve for x
    x = 3,727,696.49/2,081.84
  6. Step 6: Final answer
    x = 1,790.58

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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.