Home / 3,136.29-4,705.23-2,213.65

Finding the Fourth Proportional to 3,136.29, 4,705.23 and 2,213.65

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Solution

The fourth proportional to 3,136.29, 4,705.23 and 2,213.65 is: 3,321.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.29 : 4,705.23 = 2,213.65 : x
  2. Step 2: Convert to fraction form
    3,136.29/4,705.23 = 2,213.65/x
  3. Step 3: Cross multiply
    3,136.29x = 4,705.23 × 2,213.65
  4. Step 4: Simplify right side
    3,136.29x = 10,415,746.96
  5. Step 5: Solve for x
    x = 10,415,746.96/3,136.29
  6. Step 6: Final answer
    x = 3,321.04

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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.