Home / 1,963.20-2,708.96-1,176.96

Finding the Fourth Proportional to 1,963.20, 2,708.96 and 1,176.96

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Solution

The fourth proportional to 1,963.20, 2,708.96 and 1,176.96 is: 1,624.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,963.20 : 2,708.96 = 1,176.96 : x
  2. Step 2: Convert to fraction form
    1,963.20/2,708.96 = 1,176.96/x
  3. Step 3: Cross multiply
    1,963.20x = 2,708.96 × 1,176.96
  4. Step 4: Simplify right side
    1,963.20x = 3,188,337.56
  5. Step 5: Solve for x
    x = 3,188,337.56/1,963.20
  6. Step 6: Final answer
    x = 1,624.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.