Home / 3,883.60-5,823.38-1,908.36

Finding the Fourth Proportional to 3,883.60, 5,823.38 and 1,908.36

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Solution

The fourth proportional to 3,883.60, 5,823.38 and 1,908.36 is: 2,861.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,883.60 : 5,823.38 = 1,908.36 : x
  2. Step 2: Convert to fraction form
    3,883.60/5,823.38 = 1,908.36/x
  3. Step 3: Cross multiply
    3,883.60x = 5,823.38 × 1,908.36
  4. Step 4: Simplify right side
    3,883.60x = 11,113,105.46
  5. Step 5: Solve for x
    x = 11,113,105.46/3,883.60
  6. Step 6: Final answer
    x = 2,861.55

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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.