Home / 3,217.96-4,444.86-2,379.88

Finding the Fourth Proportional to 3,217.96, 4,444.86 and 2,379.88

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Solution

The fourth proportional to 3,217.96, 4,444.86 and 2,379.88 is: 3,287.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.96 : 4,444.86 = 2,379.88 : x
  2. Step 2: Convert to fraction form
    3,217.96/4,444.86 = 2,379.88/x
  3. Step 3: Cross multiply
    3,217.96x = 4,444.86 × 2,379.88
  4. Step 4: Simplify right side
    3,217.96x = 10,578,233.42
  5. Step 5: Solve for x
    x = 10,578,233.42/3,217.96
  6. Step 6: Final answer
    x = 3,287.25

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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.