Home / 3,278.07-4,909.87-2,355.43

Finding the Fourth Proportional to 3,278.07, 4,909.87 and 2,355.43

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Solution

The fourth proportional to 3,278.07, 4,909.87 and 2,355.43 is: 3,527.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.07 : 4,909.87 = 2,355.43 : x
  2. Step 2: Convert to fraction form
    3,278.07/4,909.87 = 2,355.43/x
  3. Step 3: Cross multiply
    3,278.07x = 4,909.87 × 2,355.43
  4. Step 4: Simplify right side
    3,278.07x = 11,564,841.72
  5. Step 5: Solve for x
    x = 11,564,841.72/3,278.07
  6. Step 6: Final answer
    x = 3,527.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.