Home / 3,904.26-5,385.99-2,411.62

Finding the Fourth Proportional to 3,904.26, 5,385.99 and 2,411.62

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Solution

The fourth proportional to 3,904.26, 5,385.99 and 2,411.62 is: 3,326.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,904.26 : 5,385.99 = 2,411.62 : x
  2. Step 2: Convert to fraction form
    3,904.26/5,385.99 = 2,411.62/x
  3. Step 3: Cross multiply
    3,904.26x = 5,385.99 × 2,411.62
  4. Step 4: Simplify right side
    3,904.26x = 12,988,961.20
  5. Step 5: Solve for x
    x = 12,988,961.20/3,904.26
  6. Step 6: Final answer
    x = 3,326.87

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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.