Home / 3,374.84-5,057.64-2,143.11

Finding the Fourth Proportional to 3,374.84, 5,057.64 and 2,143.11

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Solution

The fourth proportional to 3,374.84, 5,057.64 and 2,143.11 is: 3,211.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,374.84 : 5,057.64 = 2,143.11 : x
  2. Step 2: Convert to fraction form
    3,374.84/5,057.64 = 2,143.11/x
  3. Step 3: Cross multiply
    3,374.84x = 5,057.64 × 2,143.11
  4. Step 4: Simplify right side
    3,374.84x = 10,839,069.38
  5. Step 5: Solve for x
    x = 10,839,069.38/3,374.84
  6. Step 6: Final answer
    x = 3,211.73

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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.