Home / 2,015.66-3,008.94-1,871.48

Finding the Fourth Proportional to 2,015.66, 3,008.94 and 1,871.48

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Solution

The fourth proportional to 2,015.66, 3,008.94 and 1,871.48 is: 2,793.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015.66 : 3,008.94 = 1,871.48 : x
  2. Step 2: Convert to fraction form
    2,015.66/3,008.94 = 1,871.48/x
  3. Step 3: Cross multiply
    2,015.66x = 3,008.94 × 1,871.48
  4. Step 4: Simplify right side
    2,015.66x = 5,631,171.03
  5. Step 5: Solve for x
    x = 5,631,171.03/2,015.66
  6. Step 6: Final answer
    x = 2,793.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.