Home / 3,894.46-5,371.04-2,635.18

Finding the Fourth Proportional to 3,894.46, 5,371.04 and 2,635.18

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Solution

The fourth proportional to 3,894.46, 5,371.04 and 2,635.18 is: 3,634.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,894.46 : 5,371.04 = 2,635.18 : x
  2. Step 2: Convert to fraction form
    3,894.46/5,371.04 = 2,635.18/x
  3. Step 3: Cross multiply
    3,894.46x = 5,371.04 × 2,635.18
  4. Step 4: Simplify right side
    3,894.46x = 14,153,657.19
  5. Step 5: Solve for x
    x = 14,153,657.19/3,894.46
  6. Step 6: Final answer
    x = 3,634.31

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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.