Home / 3,849.27-5,312.01-2,170.51

Finding the Fourth Proportional to 3,849.27, 5,312.01 and 2,170.51

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Solution

The fourth proportional to 3,849.27, 5,312.01 and 2,170.51 is: 2,995.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,849.27 : 5,312.01 = 2,170.51 : x
  2. Step 2: Convert to fraction form
    3,849.27/5,312.01 = 2,170.51/x
  3. Step 3: Cross multiply
    3,849.27x = 5,312.01 × 2,170.51
  4. Step 4: Simplify right side
    3,849.27x = 11,529,770.83
  5. Step 5: Solve for x
    x = 11,529,770.83/3,849.27
  6. Step 6: Final answer
    x = 2,995.31

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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.