Home / 3,133.06-4,313.78-2,660.02

Finding the Fourth Proportional to 3,133.06, 4,313.78 and 2,660.02

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Solution

The fourth proportional to 3,133.06, 4,313.78 and 2,660.02 is: 3,662.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.06 : 4,313.78 = 2,660.02 : x
  2. Step 2: Convert to fraction form
    3,133.06/4,313.78 = 2,660.02/x
  3. Step 3: Cross multiply
    3,133.06x = 4,313.78 × 2,660.02
  4. Step 4: Simplify right side
    3,133.06x = 11,474,741.08
  5. Step 5: Solve for x
    x = 11,474,741.08/3,133.06
  6. Step 6: Final answer
    x = 3,662.47

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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.