Home / 3,883.90-5,364.58-2,819.96

Finding the Fourth Proportional to 3,883.90, 5,364.58 and 2,819.96

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Solution

The fourth proportional to 3,883.90, 5,364.58 and 2,819.96 is: 3,895.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,883.90 : 5,364.58 = 2,819.96 : x
  2. Step 2: Convert to fraction form
    3,883.90/5,364.58 = 2,819.96/x
  3. Step 3: Cross multiply
    3,883.90x = 5,364.58 × 2,819.96
  4. Step 4: Simplify right side
    3,883.90x = 15,127,901.02
  5. Step 5: Solve for x
    x = 15,127,901.02/3,883.90
  6. Step 6: Final answer
    x = 3,895.03

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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.