Home / 3,911.46-5,396.01-2,254.50

Finding the Fourth Proportional to 3,911.46, 5,396.01 and 2,254.50

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Solution

The fourth proportional to 3,911.46, 5,396.01 and 2,254.50 is: 3,110.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911.46 : 5,396.01 = 2,254.50 : x
  2. Step 2: Convert to fraction form
    3,911.46/5,396.01 = 2,254.50/x
  3. Step 3: Cross multiply
    3,911.46x = 5,396.01 × 2,254.50
  4. Step 4: Simplify right side
    3,911.46x = 12,165,304.55
  5. Step 5: Solve for x
    x = 12,165,304.55/3,911.46
  6. Step 6: Final answer
    x = 3,110.17

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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.