Home / 4,161.43-6,245.21-1,970.15

Finding the Fourth Proportional to 4,161.43, 6,245.21 and 1,970.15

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Solution

The fourth proportional to 4,161.43, 6,245.21 and 1,970.15 is: 2,956.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,161.43 : 6,245.21 = 1,970.15 : x
  2. Step 2: Convert to fraction form
    4,161.43/6,245.21 = 1,970.15/x
  3. Step 3: Cross multiply
    4,161.43x = 6,245.21 × 1,970.15
  4. Step 4: Simplify right side
    4,161.43x = 12,304,000.48
  5. Step 5: Solve for x
    x = 12,304,000.48/4,161.43
  6. Step 6: Final answer
    x = 2,956.68

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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.