Home / 2,927.28-4,384.43-2,103.09

Finding the Fourth Proportional to 2,927.28, 4,384.43 and 2,103.09

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Solution

The fourth proportional to 2,927.28, 4,384.43 and 2,103.09 is: 3,149.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927.28 : 4,384.43 = 2,103.09 : x
  2. Step 2: Convert to fraction form
    2,927.28/4,384.43 = 2,103.09/x
  3. Step 3: Cross multiply
    2,927.28x = 4,384.43 × 2,103.09
  4. Step 4: Simplify right side
    2,927.28x = 9,220,850.89
  5. Step 5: Solve for x
    x = 9,220,850.89/2,927.28
  6. Step 6: Final answer
    x = 3,149.97

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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.