Home / 2,996.94-4,135.74-1,670.61

Finding the Fourth Proportional to 2,996.94, 4,135.74 and 1,670.61

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Solution

The fourth proportional to 2,996.94, 4,135.74 and 1,670.61 is: 2,305.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,996.94 : 4,135.74 = 1,670.61 : x
  2. Step 2: Convert to fraction form
    2,996.94/4,135.74 = 1,670.61/x
  3. Step 3: Cross multiply
    2,996.94x = 4,135.74 × 1,670.61
  4. Step 4: Simplify right side
    2,996.94x = 6,909,208.60
  5. Step 5: Solve for x
    x = 6,909,208.60/2,996.94
  6. Step 6: Final answer
    x = 2,305.42

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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.