Home / 3,231.33-4,459.26-2,111.58

Finding the Fourth Proportional to 3,231.33, 4,459.26 and 2,111.58

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Solution

The fourth proportional to 3,231.33, 4,459.26 and 2,111.58 is: 2,914.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231.33 : 4,459.26 = 2,111.58 : x
  2. Step 2: Convert to fraction form
    3,231.33/4,459.26 = 2,111.58/x
  3. Step 3: Cross multiply
    3,231.33x = 4,459.26 × 2,111.58
  4. Step 4: Simplify right side
    3,231.33x = 9,416,084.23
  5. Step 5: Solve for x
    x = 9,416,084.23/3,231.33
  6. Step 6: Final answer
    x = 2,914.00

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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.