Home / 3,327.39-4,990.24-986.85

Finding the Fourth Proportional to 3,327.39, 4,990.24 and 986.85

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Solution

The fourth proportional to 3,327.39, 4,990.24 and 986.85 is: 1,480.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,327.39 : 4,990.24 = 986.85 : x
  2. Step 2: Convert to fraction form
    3,327.39/4,990.24 = 986.85/x
  3. Step 3: Cross multiply
    3,327.39x = 4,990.24 × 986.85
  4. Step 4: Simplify right side
    3,327.39x = 4,924,615.88
  5. Step 5: Solve for x
    x = 4,924,615.88/3,327.39
  6. Step 6: Final answer
    x = 1,480.02

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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.