Home / 3,809.54-5,257.75-2,317.92

Finding the Fourth Proportional to 3,809.54, 5,257.75 and 2,317.92

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Solution

The fourth proportional to 3,809.54, 5,257.75 and 2,317.92 is: 3,199.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809.54 : 5,257.75 = 2,317.92 : x
  2. Step 2: Convert to fraction form
    3,809.54/5,257.75 = 2,317.92/x
  3. Step 3: Cross multiply
    3,809.54x = 5,257.75 × 2,317.92
  4. Step 4: Simplify right side
    3,809.54x = 12,187,043.88
  5. Step 5: Solve for x
    x = 12,187,043.88/3,809.54
  6. Step 6: Final answer
    x = 3,199.09

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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.