Home / 3,809.88-5,257.26-2,238.36

Finding the Fourth Proportional to 3,809.88, 5,257.26 and 2,238.36

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Solution

The fourth proportional to 3,809.88, 5,257.26 and 2,238.36 is: 3,088.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809.88 : 5,257.26 = 2,238.36 : x
  2. Step 2: Convert to fraction form
    3,809.88/5,257.26 = 2,238.36/x
  3. Step 3: Cross multiply
    3,809.88x = 5,257.26 × 2,238.36
  4. Step 4: Simplify right side
    3,809.88x = 11,767,640.49
  5. Step 5: Solve for x
    x = 11,767,640.49/3,809.88
  6. Step 6: Final answer
    x = 3,088.72

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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.