Home / 3,809.16-5,257.62-2,412.68

Finding the Fourth Proportional to 3,809.16, 5,257.62 and 2,412.68

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Solution

The fourth proportional to 3,809.16, 5,257.62 and 2,412.68 is: 3,330.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809.16 : 5,257.62 = 2,412.68 : x
  2. Step 2: Convert to fraction form
    3,809.16/5,257.62 = 2,412.68/x
  3. Step 3: Cross multiply
    3,809.16x = 5,257.62 × 2,412.68
  4. Step 4: Simplify right side
    3,809.16x = 12,684,954.62
  5. Step 5: Solve for x
    x = 12,684,954.62/3,809.16
  6. Step 6: Final answer
    x = 3,330.12

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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.