Home / 3,015.29-4,161.11-1,967.36

Finding the Fourth Proportional to 3,015.29, 4,161.11 and 1,967.36

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Solution

The fourth proportional to 3,015.29, 4,161.11 and 1,967.36 is: 2,714.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.29 : 4,161.11 = 1,967.36 : x
  2. Step 2: Convert to fraction form
    3,015.29/4,161.11 = 1,967.36/x
  3. Step 3: Cross multiply
    3,015.29x = 4,161.11 × 1,967.36
  4. Step 4: Simplify right side
    3,015.29x = 8,186,370.73
  5. Step 5: Solve for x
    x = 8,186,370.73/3,015.29
  6. Step 6: Final answer
    x = 2,714.95

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1.5x scale

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.