Home / 4,080.11-5,630.70-2,311.88

Finding the Fourth Proportional to 4,080.11, 5,630.70 and 2,311.88

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Solution

The fourth proportional to 4,080.11, 5,630.70 and 2,311.88 is: 3,190.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.11 : 5,630.70 = 2,311.88 : x
  2. Step 2: Convert to fraction form
    4,080.11/5,630.70 = 2,311.88/x
  3. Step 3: Cross multiply
    4,080.11x = 5,630.70 × 2,311.88
  4. Step 4: Simplify right side
    4,080.11x = 13,017,474.56
  5. Step 5: Solve for x
    x = 13,017,474.56/4,080.11
  6. Step 6: Final answer
    x = 3,190.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.