Home / 3,849.82-5,312.73-2,171.24

Finding the Fourth Proportional to 3,849.82, 5,312.73 and 2,171.24

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Solution

The fourth proportional to 3,849.82, 5,312.73 and 2,171.24 is: 2,996.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849.82 : 5,312.73 = 2,171.24 : x
  2. Step 2: Convert to fraction form
    3,849.82/5,312.73 = 2,171.24/x
  3. Step 3: Cross multiply
    3,849.82x = 5,312.73 × 2,171.24
  4. Step 4: Simplify right side
    3,849.82x = 11,535,220.53
  5. Step 5: Solve for x
    x = 11,535,220.53/3,849.82
  6. Step 6: Final answer
    x = 2,996.30

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1.5x scale

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.