Home / 1,467.18-2,199.85-818.37

Finding the Fourth Proportional to 1,467.18, 2,199.85 and 818.37

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Solution

The fourth proportional to 1,467.18, 2,199.85 and 818.37 is: 1,227.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467.18 : 2,199.85 = 818.37 : x
  2. Step 2: Convert to fraction form
    1,467.18/2,199.85 = 818.37/x
  3. Step 3: Cross multiply
    1,467.18x = 2,199.85 × 818.37
  4. Step 4: Simplify right side
    1,467.18x = 1,800,289.20
  5. Step 5: Solve for x
    x = 1,800,289.20/1,467.18
  6. Step 6: Final answer
    x = 1,227.04

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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.