Home / 3,311.13-4,966.36-1,119.83

Finding the Fourth Proportional to 3,311.13, 4,966.36 and 1,119.83

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Solution

The fourth proportional to 3,311.13, 4,966.36 and 1,119.83 is: 1,679.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.13 : 4,966.36 = 1,119.83 : x
  2. Step 2: Convert to fraction form
    3,311.13/4,966.36 = 1,119.83/x
  3. Step 3: Cross multiply
    3,311.13x = 4,966.36 × 1,119.83
  4. Step 4: Simplify right side
    3,311.13x = 5,561,457.59
  5. Step 5: Solve for x
    x = 5,561,457.59/3,311.13
  6. Step 6: Final answer
    x = 1,679.63

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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.