Home / 3,950.56-5,451.70-2,182.14

Finding the Fourth Proportional to 3,950.56, 5,451.70 and 2,182.14

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Solution

The fourth proportional to 3,950.56, 5,451.70 and 2,182.14 is: 3,011.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.56 : 5,451.70 = 2,182.14 : x
  2. Step 2: Convert to fraction form
    3,950.56/5,451.70 = 2,182.14/x
  3. Step 3: Cross multiply
    3,950.56x = 5,451.70 × 2,182.14
  4. Step 4: Simplify right side
    3,950.56x = 11,896,372.64
  5. Step 5: Solve for x
    x = 11,896,372.64/3,950.56
  6. Step 6: Final answer
    x = 3,011.31

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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.