Home / 3,914.55-5,399.06-2,340.99

Finding the Fourth Proportional to 3,914.55, 5,399.06 and 2,340.99

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Solution

The fourth proportional to 3,914.55, 5,399.06 and 2,340.99 is: 3,228.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914.55 : 5,399.06 = 2,340.99 : x
  2. Step 2: Convert to fraction form
    3,914.55/5,399.06 = 2,340.99/x
  3. Step 3: Cross multiply
    3,914.55x = 5,399.06 × 2,340.99
  4. Step 4: Simplify right side
    3,914.55x = 12,639,133.76
  5. Step 5: Solve for x
    x = 12,639,133.76/3,914.55
  6. Step 6: Final answer
    x = 3,228.76

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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.