Home / 2,717.40-4,076.10-2,028.90

Finding the Fourth Proportional to 2,717.40, 4,076.10 and 2,028.90

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Solution

The fourth proportional to 2,717.40, 4,076.10 and 2,028.90 is: 3,043.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.40 : 4,076.10 = 2,028.90 : x
  2. Step 2: Convert to fraction form
    2,717.40/4,076.10 = 2,028.90/x
  3. Step 3: Cross multiply
    2,717.40x = 4,076.10 × 2,028.90
  4. Step 4: Simplify right side
    2,717.40x = 8,269,999.29
  5. Step 5: Solve for x
    x = 8,269,999.29/2,717.40
  6. Step 6: Final answer
    x = 3,043.35

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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.