Home / 2,768.94-4,155.12-1,601.25

Finding the Fourth Proportional to 2,768.94, 4,155.12 and 1,601.25

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Solution

The fourth proportional to 2,768.94, 4,155.12 and 1,601.25 is: 2,402.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.94 : 4,155.12 = 1,601.25 : x
  2. Step 2: Convert to fraction form
    2,768.94/4,155.12 = 1,601.25/x
  3. Step 3: Cross multiply
    2,768.94x = 4,155.12 × 1,601.25
  4. Step 4: Simplify right side
    2,768.94x = 6,653,385.90
  5. Step 5: Solve for x
    x = 6,653,385.90/2,768.94
  6. Step 6: Final answer
    x = 2,402.86

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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.