Home / 3,919.16-5,409.96-2,522

Finding the Fourth Proportional to 3,919.16, 5,409.96 and 2,522

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Solution

The fourth proportional to 3,919.16, 5,409.96 and 2,522 is: 3,481.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919.16 : 5,409.96 = 2,522 : x
  2. Step 2: Convert to fraction form
    3,919.16/5,409.96 = 2,522/x
  3. Step 3: Cross multiply
    3,919.16x = 5,409.96 × 2,522
  4. Step 4: Simplify right side
    3,919.16x = 13,643,919.12
  5. Step 5: Solve for x
    x = 13,643,919.12/3,919.16
  6. Step 6: Final answer
    x = 3,481.34

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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.