Home / 3,015.54-4,159.11-2,305.59

Finding the Fourth Proportional to 3,015.54, 4,159.11 and 2,305.59

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Solution

The fourth proportional to 3,015.54, 4,159.11 and 2,305.59 is: 3,179.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.54 : 4,159.11 = 2,305.59 : x
  2. Step 2: Convert to fraction form
    3,015.54/4,159.11 = 2,305.59/x
  3. Step 3: Cross multiply
    3,015.54x = 4,159.11 × 2,305.59
  4. Step 4: Simplify right side
    3,015.54x = 9,589,202.42
  5. Step 5: Solve for x
    x = 9,589,202.42/3,015.54
  6. Step 6: Final answer
    x = 3,179.93

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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.