Home / 2,720.94-4,086.81-2,330.79

Finding the Fourth Proportional to 2,720.94, 4,086.81 and 2,330.79

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Solution

The fourth proportional to 2,720.94, 4,086.81 and 2,330.79 is: 3,500.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.94 : 4,086.81 = 2,330.79 : x
  2. Step 2: Convert to fraction form
    2,720.94/4,086.81 = 2,330.79/x
  3. Step 3: Cross multiply
    2,720.94x = 4,086.81 × 2,330.79
  4. Step 4: Simplify right side
    2,720.94x = 9,525,495.88
  5. Step 5: Solve for x
    x = 9,525,495.88/2,720.94
  6. Step 6: Final answer
    x = 3,500.81

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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.