Home / 3,448.64-4,761.76-2,819.84

Finding the Fourth Proportional to 3,448.64, 4,761.76 and 2,819.84

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Solution

The fourth proportional to 3,448.64, 4,761.76 and 2,819.84 is: 3,893.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.64 : 4,761.76 = 2,819.84 : x
  2. Step 2: Convert to fraction form
    3,448.64/4,761.76 = 2,819.84/x
  3. Step 3: Cross multiply
    3,448.64x = 4,761.76 × 2,819.84
  4. Step 4: Simplify right side
    3,448.64x = 13,427,401.32
  5. Step 5: Solve for x
    x = 13,427,401.32/3,448.64
  6. Step 6: Final answer
    x = 3,893.54

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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.