Home / 1,324.20-1,986.84-1,063.92

Finding the Fourth Proportional to 1,324.20, 1,986.84 and 1,063.92

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Solution

The fourth proportional to 1,324.20, 1,986.84 and 1,063.92 is: 1,596.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324.20 : 1,986.84 = 1,063.92 : x
  2. Step 2: Convert to fraction form
    1,324.20/1,986.84 = 1,063.92/x
  3. Step 3: Cross multiply
    1,324.20x = 1,986.84 × 1,063.92
  4. Step 4: Simplify right side
    1,324.20x = 2,113,838.81
  5. Step 5: Solve for x
    x = 2,113,838.81/1,324.20
  6. Step 6: Final answer
    x = 1,596.31

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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.