Home / 1,676.94-2,513.06-1,428.85

Finding the Fourth Proportional to 1,676.94, 2,513.06 and 1,428.85

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Solution

The fourth proportional to 1,676.94, 2,513.06 and 1,428.85 is: 2,141.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676.94 : 2,513.06 = 1,428.85 : x
  2. Step 2: Convert to fraction form
    1,676.94/2,513.06 = 1,428.85/x
  3. Step 3: Cross multiply
    1,676.94x = 2,513.06 × 1,428.85
  4. Step 4: Simplify right side
    1,676.94x = 3,590,766.07
  5. Step 5: Solve for x
    x = 3,590,766.07/1,676.94
  6. Step 6: Final answer
    x = 2,141.27

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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.