Home / 2,625.92-3,936.80-1,801.74

Finding the Fourth Proportional to 2,625.92, 3,936.80 and 1,801.74

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Solution

The fourth proportional to 2,625.92, 3,936.80 and 1,801.74 is: 2,701.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.92 : 3,936.80 = 1,801.74 : x
  2. Step 2: Convert to fraction form
    2,625.92/3,936.80 = 1,801.74/x
  3. Step 3: Cross multiply
    2,625.92x = 3,936.80 × 1,801.74
  4. Step 4: Simplify right side
    2,625.92x = 7,093,109.30
  5. Step 5: Solve for x
    x = 7,093,109.30/2,625.92
  6. Step 6: Final answer
    x = 2,701.19

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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.