Home / 3,947.94-5,446.44-2,529.09

Finding the Fourth Proportional to 3,947.94, 5,446.44 and 2,529.09

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Solution

The fourth proportional to 3,947.94, 5,446.44 and 2,529.09 is: 3,489.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947.94 : 5,446.44 = 2,529.09 : x
  2. Step 2: Convert to fraction form
    3,947.94/5,446.44 = 2,529.09/x
  3. Step 3: Cross multiply
    3,947.94x = 5,446.44 × 2,529.09
  4. Step 4: Simplify right side
    3,947.94x = 13,774,536.94
  5. Step 5: Solve for x
    x = 13,774,536.94/3,947.94
  6. Step 6: Final answer
    x = 3,489.04

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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.