Home / 3,828.30-5,282.94-2,335.68

Finding the Fourth Proportional to 3,828.30, 5,282.94 and 2,335.68

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Solution

The fourth proportional to 3,828.30, 5,282.94 and 2,335.68 is: 3,223.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.30 : 5,282.94 = 2,335.68 : x
  2. Step 2: Convert to fraction form
    3,828.30/5,282.94 = 2,335.68/x
  3. Step 3: Cross multiply
    3,828.30x = 5,282.94 × 2,335.68
  4. Step 4: Simplify right side
    3,828.30x = 12,339,257.30
  5. Step 5: Solve for x
    x = 12,339,257.30/3,828.30
  6. Step 6: Final answer
    x = 3,223.17

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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.