Home / 2,997.05-4,135.83-1,878.62

Finding the Fourth Proportional to 2,997.05, 4,135.83 and 1,878.62

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Solution

The fourth proportional to 2,997.05, 4,135.83 and 1,878.62 is: 2,592.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,997.05 : 4,135.83 = 1,878.62 : x
  2. Step 2: Convert to fraction form
    2,997.05/4,135.83 = 1,878.62/x
  3. Step 3: Cross multiply
    2,997.05x = 4,135.83 × 1,878.62
  4. Step 4: Simplify right side
    2,997.05x = 7,769,632.28
  5. Step 5: Solve for x
    x = 7,769,632.28/2,997.05
  6. Step 6: Final answer
    x = 2,592.43

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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.