Home / 3,972.43-5,958.65-1,630.80

Finding the Fourth Proportional to 3,972.43, 5,958.65 and 1,630.80

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Solution

The fourth proportional to 3,972.43, 5,958.65 and 1,630.80 is: 2,446.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.43 : 5,958.65 = 1,630.80 : x
  2. Step 2: Convert to fraction form
    3,972.43/5,958.65 = 1,630.80/x
  3. Step 3: Cross multiply
    3,972.43x = 5,958.65 × 1,630.80
  4. Step 4: Simplify right side
    3,972.43x = 9,717,392.84
  5. Step 5: Solve for x
    x = 9,717,392.84/3,972.43
  6. Step 6: Final answer
    x = 2,446.21

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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.