Home / 3,231.64-4,460.70-2,185.12

Finding the Fourth Proportional to 3,231.64, 4,460.70 and 2,185.12

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Solution

The fourth proportional to 3,231.64, 4,460.70 and 2,185.12 is: 3,016.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.64 : 4,460.70 = 2,185.12 : x
  2. Step 2: Convert to fraction form
    3,231.64/4,460.70 = 2,185.12/x
  3. Step 3: Cross multiply
    3,231.64x = 4,460.70 × 2,185.12
  4. Step 4: Simplify right side
    3,231.64x = 9,747,164.78
  5. Step 5: Solve for x
    x = 9,747,164.78/3,231.64
  6. Step 6: Final answer
    x = 3,016.17

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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.