Home / 2,847.88-3,929.08-2,250.56

Finding the Fourth Proportional to 2,847.88, 3,929.08 and 2,250.56

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Solution

The fourth proportional to 2,847.88, 3,929.08 and 2,250.56 is: 3,104.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847.88 : 3,929.08 = 2,250.56 : x
  2. Step 2: Convert to fraction form
    2,847.88/3,929.08 = 2,250.56/x
  3. Step 3: Cross multiply
    2,847.88x = 3,929.08 × 2,250.56
  4. Step 4: Simplify right side
    2,847.88x = 8,842,633.98
  5. Step 5: Solve for x
    x = 8,842,633.98/2,847.88
  6. Step 6: Final answer
    x = 3,104.98

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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.