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Finding the Fourth Proportional to 2,285.49, 3,154.05 and 1,401

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Solution

The fourth proportional to 2,285.49, 3,154.05 and 1,401 is: 1,933.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,285.49 : 3,154.05 = 1,401 : x
  2. Step 2: Convert to fraction form
    2,285.49/3,154.05 = 1,401/x
  3. Step 3: Cross multiply
    2,285.49x = 3,154.05 × 1,401
  4. Step 4: Simplify right side
    2,285.49x = 4,418,824.05
  5. Step 5: Solve for x
    x = 4,418,824.05/2,285.49
  6. Step 6: Final answer
    x = 1,933.43

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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.