Home / 3,015.14-4,161.73-1,967

Finding the Fourth Proportional to 3,015.14, 4,161.73 and 1,967

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Solution

The fourth proportional to 3,015.14, 4,161.73 and 1,967 is: 2,715.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.14 : 4,161.73 = 1,967 : x
  2. Step 2: Convert to fraction form
    3,015.14/4,161.73 = 1,967/x
  3. Step 3: Cross multiply
    3,015.14x = 4,161.73 × 1,967
  4. Step 4: Simplify right side
    3,015.14x = 8,186,122.91
  5. Step 5: Solve for x
    x = 8,186,122.91/3,015.14
  6. Step 6: Final answer
    x = 2,715.01

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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.