Home / 3,311.42-4,966.11-1,119.56

Finding the Fourth Proportional to 3,311.42, 4,966.11 and 1,119.56

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Solution

The fourth proportional to 3,311.42, 4,966.11 and 1,119.56 is: 1,679.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311.42 : 4,966.11 = 1,119.56 : x
  2. Step 2: Convert to fraction form
    3,311.42/4,966.11 = 1,119.56/x
  3. Step 3: Cross multiply
    3,311.42x = 4,966.11 × 1,119.56
  4. Step 4: Simplify right side
    3,311.42x = 5,559,858.11
  5. Step 5: Solve for x
    x = 5,559,858.11/3,311.42
  6. Step 6: Final answer
    x = 1,679.00

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1.5x scale

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.