Home / 1,324.50-1,986.26-1,063.86

Finding the Fourth Proportional to 1,324.50, 1,986.26 and 1,063.86

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Solution

The fourth proportional to 1,324.50, 1,986.26 and 1,063.86 is: 1,595.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324.50 : 1,986.26 = 1,063.86 : x
  2. Step 2: Convert to fraction form
    1,324.50/1,986.26 = 1,063.86/x
  3. Step 3: Cross multiply
    1,324.50x = 1,986.26 × 1,063.86
  4. Step 4: Simplify right side
    1,324.50x = 2,113,097.24
  5. Step 5: Solve for x
    x = 2,113,097.24/1,324.50
  6. Step 6: Final answer
    x = 1,595.39

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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.