Home / 3,225.11-4,450.43-1,808.69

Finding the Fourth Proportional to 3,225.11, 4,450.43 and 1,808.69

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Solution

The fourth proportional to 3,225.11, 4,450.43 and 1,808.69 is: 2,495.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,225.11 : 4,450.43 = 1,808.69 : x
  2. Step 2: Convert to fraction form
    3,225.11/4,450.43 = 1,808.69/x
  3. Step 3: Cross multiply
    3,225.11x = 4,450.43 × 1,808.69
  4. Step 4: Simplify right side
    3,225.11x = 8,049,439.19
  5. Step 5: Solve for x
    x = 8,049,439.19/3,225.11
  6. Step 6: Final answer
    x = 2,495.87

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Double scale
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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.