Home / 3,411.08-5,115.36-2,682.08

Finding the Fourth Proportional to 3,411.08, 5,115.36 and 2,682.08

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Solution

The fourth proportional to 3,411.08, 5,115.36 and 2,682.08 is: 4,022.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.08 : 5,115.36 = 2,682.08 : x
  2. Step 2: Convert to fraction form
    3,411.08/5,115.36 = 2,682.08/x
  3. Step 3: Cross multiply
    3,411.08x = 5,115.36 × 2,682.08
  4. Step 4: Simplify right side
    3,411.08x = 13,719,804.75
  5. Step 5: Solve for x
    x = 13,719,804.75/3,411.08
  6. Step 6: Final answer
    x = 4,022.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.