Home / 3,450.80-5,178-3,264.92

Finding the Fourth Proportional to 3,450.80, 5,178 and 3,264.92

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Solution

The fourth proportional to 3,450.80, 5,178 and 3,264.92 is: 4,899.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.80 : 5,178 = 3,264.92 : x
  2. Step 2: Convert to fraction form
    3,450.80/5,178 = 3,264.92/x
  3. Step 3: Cross multiply
    3,450.80x = 5,178 × 3,264.92
  4. Step 4: Simplify right side
    3,450.80x = 16,905,755.76
  5. Step 5: Solve for x
    x = 16,905,755.76/3,450.80
  6. Step 6: Final answer
    x = 4,899.08

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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.