Home / 3,231.56-4,461.30-2,185.48

Finding the Fourth Proportional to 3,231.56, 4,461.30 and 2,185.48

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Solution

The fourth proportional to 3,231.56, 4,461.30 and 2,185.48 is: 3,017.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.56 : 4,461.30 = 2,185.48 : x
  2. Step 2: Convert to fraction form
    3,231.56/4,461.30 = 2,185.48/x
  3. Step 3: Cross multiply
    3,231.56x = 4,461.30 × 2,185.48
  4. Step 4: Simplify right side
    3,231.56x = 9,750,081.92
  5. Step 5: Solve for x
    x = 9,750,081.92/3,231.56
  6. Step 6: Final answer
    x = 3,017.14

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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.