Home / 3,311.24-4,966.04-1,119.92

Finding the Fourth Proportional to 3,311.24, 4,966.04 and 1,119.92

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Solution

The fourth proportional to 3,311.24, 4,966.04 and 1,119.92 is: 1,679.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.24 : 4,966.04 = 1,119.92 : x
  2. Step 2: Convert to fraction form
    3,311.24/4,966.04 = 1,119.92/x
  3. Step 3: Cross multiply
    3,311.24x = 4,966.04 × 1,119.92
  4. Step 4: Simplify right side
    3,311.24x = 5,561,567.52
  5. Step 5: Solve for x
    x = 5,561,567.52/3,311.24
  6. Step 6: Final answer
    x = 1,679.60

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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.