Home / 3,849.99-5,312.61-2,171.25

Finding the Fourth Proportional to 3,849.99, 5,312.61 and 2,171.25

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Solution

The fourth proportional to 3,849.99, 5,312.61 and 2,171.25 is: 2,996.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849.99 : 5,312.61 = 2,171.25 : x
  2. Step 2: Convert to fraction form
    3,849.99/5,312.61 = 2,171.25/x
  3. Step 3: Cross multiply
    3,849.99x = 5,312.61 × 2,171.25
  4. Step 4: Simplify right side
    3,849.99x = 11,535,004.46
  5. Step 5: Solve for x
    x = 11,535,004.46/3,849.99
  6. Step 6: Final answer
    x = 2,996.11

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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.