Home / 3,976.40-5,964.60-2,334.80

Finding the Fourth Proportional to 3,976.40, 5,964.60 and 2,334.80

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Solution

The fourth proportional to 3,976.40, 5,964.60 and 2,334.80 is: 3,502.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.40 : 5,964.60 = 2,334.80 : x
  2. Step 2: Convert to fraction form
    3,976.40/5,964.60 = 2,334.80/x
  3. Step 3: Cross multiply
    3,976.40x = 5,964.60 × 2,334.80
  4. Step 4: Simplify right side
    3,976.40x = 13,926,148.08
  5. Step 5: Solve for x
    x = 13,926,148.08/3,976.40
  6. Step 6: Final answer
    x = 3,502.20

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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.