Home / 2,881.35-4,319.26-1,838.41

Finding the Fourth Proportional to 2,881.35, 4,319.26 and 1,838.41

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Solution

The fourth proportional to 2,881.35, 4,319.26 and 1,838.41 is: 2,755.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881.35 : 4,319.26 = 1,838.41 : x
  2. Step 2: Convert to fraction form
    2,881.35/4,319.26 = 1,838.41/x
  3. Step 3: Cross multiply
    2,881.35x = 4,319.26 × 1,838.41
  4. Step 4: Simplify right side
    2,881.35x = 7,940,555.38
  5. Step 5: Solve for x
    x = 7,940,555.38/2,881.35
  6. Step 6: Final answer
    x = 2,755.85

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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.