Home / 3,015.06-4,161.33-1,967.10

Finding the Fourth Proportional to 3,015.06, 4,161.33 and 1,967.10

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Solution

The fourth proportional to 3,015.06, 4,161.33 and 1,967.10 is: 2,714.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.06 : 4,161.33 = 1,967.10 : x
  2. Step 2: Convert to fraction form
    3,015.06/4,161.33 = 1,967.10/x
  3. Step 3: Cross multiply
    3,015.06x = 4,161.33 × 1,967.10
  4. Step 4: Simplify right side
    3,015.06x = 8,185,752.24
  5. Step 5: Solve for x
    x = 8,185,752.24/3,015.06
  6. Step 6: Final answer
    x = 2,714.96

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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.