Home / 2,961.77-4,087.17-1,635.44

Finding the Fourth Proportional to 2,961.77, 4,087.17 and 1,635.44

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Solution

The fourth proportional to 2,961.77, 4,087.17 and 1,635.44 is: 2,256.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.77 : 4,087.17 = 1,635.44 : x
  2. Step 2: Convert to fraction form
    2,961.77/4,087.17 = 1,635.44/x
  3. Step 3: Cross multiply
    2,961.77x = 4,087.17 × 1,635.44
  4. Step 4: Simplify right side
    2,961.77x = 6,684,300.87
  5. Step 5: Solve for x
    x = 6,684,300.87/2,961.77
  6. Step 6: Final answer
    x = 2,256.86

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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.