Home / 3,207.11-4,425.83-1,880.84

Finding the Fourth Proportional to 3,207.11, 4,425.83 and 1,880.84

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Solution

The fourth proportional to 3,207.11, 4,425.83 and 1,880.84 is: 2,595.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.11 : 4,425.83 = 1,880.84 : x
  2. Step 2: Convert to fraction form
    3,207.11/4,425.83 = 1,880.84/x
  3. Step 3: Cross multiply
    3,207.11x = 4,425.83 × 1,880.84
  4. Step 4: Simplify right side
    3,207.11x = 8,324,246.56
  5. Step 5: Solve for x
    x = 8,324,246.56/3,207.11
  6. Step 6: Final answer
    x = 2,595.56

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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.