Home / 3,007.90-4,152.06-2,692.61

Finding the Fourth Proportional to 3,007.90, 4,152.06 and 2,692.61

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Solution

The fourth proportional to 3,007.90, 4,152.06 and 2,692.61 is: 3,716.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,007.90 : 4,152.06 = 2,692.61 : x
  2. Step 2: Convert to fraction form
    3,007.90/4,152.06 = 2,692.61/x
  3. Step 3: Cross multiply
    3,007.90x = 4,152.06 × 2,692.61
  4. Step 4: Simplify right side
    3,007.90x = 11,179,844.05
  5. Step 5: Solve for x
    x = 11,179,844.05/3,007.90
  6. Step 6: Final answer
    x = 3,716.83

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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.