Home / 3,225.85-4,450.63-1,809.34

Finding the Fourth Proportional to 3,225.85, 4,450.63 and 1,809.34

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Solution

The fourth proportional to 3,225.85, 4,450.63 and 1,809.34 is: 2,496.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.85 : 4,450.63 = 1,809.34 : x
  2. Step 2: Convert to fraction form
    3,225.85/4,450.63 = 1,809.34/x
  3. Step 3: Cross multiply
    3,225.85x = 4,450.63 × 1,809.34
  4. Step 4: Simplify right side
    3,225.85x = 8,052,702.88
  5. Step 5: Solve for x
    x = 8,052,702.88/3,225.85
  6. Step 6: Final answer
    x = 2,496.30

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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.