Home / 3,294.96-4,555.80-2,879.88

Finding the Fourth Proportional to 3,294.96, 4,555.80 and 2,879.88

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Solution

The fourth proportional to 3,294.96, 4,555.80 and 2,879.88 is: 3,981.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,294.96 : 4,555.80 = 2,879.88 : x
  2. Step 2: Convert to fraction form
    3,294.96/4,555.80 = 2,879.88/x
  3. Step 3: Cross multiply
    3,294.96x = 4,555.80 × 2,879.88
  4. Step 4: Simplify right side
    3,294.96x = 13,120,157.30
  5. Step 5: Solve for x
    x = 13,120,157.30/3,294.96
  6. Step 6: Final answer
    x = 3,981.89

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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.