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Finding the Fourth Proportional to 3,883.68, 5,819.80 and 2,418.36

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Solution

The fourth proportional to 3,883.68, 5,819.80 and 2,418.36 is: 3,623.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,883.68 : 5,819.80 = 2,418.36 : x
  2. Step 2: Convert to fraction form
    3,883.68/5,819.80 = 2,418.36/x
  3. Step 3: Cross multiply
    3,883.68x = 5,819.80 × 2,418.36
  4. Step 4: Simplify right side
    3,883.68x = 14,074,371.53
  5. Step 5: Solve for x
    x = 14,074,371.53/3,883.68
  6. Step 6: Final answer
    x = 3,623.98

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1.5x scale

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.