Home / 3,015.88-4,161.91-1,967.94

Finding the Fourth Proportional to 3,015.88, 4,161.91 and 1,967.94

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Solution

The fourth proportional to 3,015.88, 4,161.91 and 1,967.94 is: 2,715.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.88 : 4,161.91 = 1,967.94 : x
  2. Step 2: Convert to fraction form
    3,015.88/4,161.91 = 1,967.94/x
  3. Step 3: Cross multiply
    3,015.88x = 4,161.91 × 1,967.94
  4. Step 4: Simplify right side
    3,015.88x = 8,190,389.17
  5. Step 5: Solve for x
    x = 8,190,389.17/3,015.88
  6. Step 6: Final answer
    x = 2,715.75

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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.