Home / 3,924.20-5,885.34-1,326.44

Finding the Fourth Proportional to 3,924.20, 5,885.34 and 1,326.44

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Solution

The fourth proportional to 3,924.20, 5,885.34 and 1,326.44 is: 1,989.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,924.20 : 5,885.34 = 1,326.44 : x
  2. Step 2: Convert to fraction form
    3,924.20/5,885.34 = 1,326.44/x
  3. Step 3: Cross multiply
    3,924.20x = 5,885.34 × 1,326.44
  4. Step 4: Simplify right side
    3,924.20x = 7,806,550.39
  5. Step 5: Solve for x
    x = 7,806,550.39/3,924.20
  6. Step 6: Final answer
    x = 1,989.34

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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.