Home / 3,439.12-5,158.68-2,207.11

Finding the Fourth Proportional to 3,439.12, 5,158.68 and 2,207.11

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Solution

The fourth proportional to 3,439.12, 5,158.68 and 2,207.11 is: 3,310.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.12 : 5,158.68 = 2,207.11 : x
  2. Step 2: Convert to fraction form
    3,439.12/5,158.68 = 2,207.11/x
  3. Step 3: Cross multiply
    3,439.12x = 5,158.68 × 2,207.11
  4. Step 4: Simplify right side
    3,439.12x = 11,385,774.21
  5. Step 5: Solve for x
    x = 11,385,774.21/3,439.12
  6. Step 6: Final answer
    x = 3,310.67

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Similar ratio
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1.5x scale

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.