Home / 3,450.80-5,176.81-1,604.00

Finding the Fourth Proportional to 3,450.80, 5,176.81 and 1,604.00

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Solution

The fourth proportional to 3,450.80, 5,176.81 and 1,604.00 is: 2,406.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.80 : 5,176.81 = 1,604.00 : x
  2. Step 2: Convert to fraction form
    3,450.80/5,176.81 = 1,604.00/x
  3. Step 3: Cross multiply
    3,450.80x = 5,176.81 × 1,604.00
  4. Step 4: Simplify right side
    3,450.80x = 8,303,618.19
  5. Step 5: Solve for x
    x = 8,303,618.19/3,450.80
  6. Step 6: Final answer
    x = 2,406.29

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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.