Home / 3,212.08-4,433.16-2,331.88

Finding the Fourth Proportional to 3,212.08, 4,433.16 and 2,331.88

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Solution

The fourth proportional to 3,212.08, 4,433.16 and 2,331.88 is: 3,218.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.08 : 4,433.16 = 2,331.88 : x
  2. Step 2: Convert to fraction form
    3,212.08/4,433.16 = 2,331.88/x
  3. Step 3: Cross multiply
    3,212.08x = 4,433.16 × 2,331.88
  4. Step 4: Simplify right side
    3,212.08x = 10,337,597.14
  5. Step 5: Solve for x
    x = 10,337,597.14/3,212.08
  6. Step 6: Final answer
    x = 3,218.35

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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.