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Finding the Fourth Proportional to 2,230.84, 3,076.50 and 1,444

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Solution

The fourth proportional to 2,230.84, 3,076.50 and 1,444 is: 1,991.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230.84 : 3,076.50 = 1,444 : x
  2. Step 2: Convert to fraction form
    2,230.84/3,076.50 = 1,444/x
  3. Step 3: Cross multiply
    2,230.84x = 3,076.50 × 1,444
  4. Step 4: Simplify right side
    2,230.84x = 4,442,466
  5. Step 5: Solve for x
    x = 4,442,466/2,230.84
  6. Step 6: Final answer
    x = 1,991.39

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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.